Home / 5,643.79-7,791.55-3,406.23

Finding the Fourth Proportional to 5,643.79, 7,791.55 and 3,406.23

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Solution

The fourth proportional to 5,643.79, 7,791.55 and 3,406.23 is: 4,702.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,643.79 : 7,791.55 = 3,406.23 : x
  2. Step 2: Convert to fraction form
    5,643.79/7,791.55 = 3,406.23/x
  3. Step 3: Cross multiply
    5,643.79x = 7,791.55 × 3,406.23
  4. Step 4: Simplify right side
    5,643.79x = 26,539,802.84
  5. Step 5: Solve for x
    x = 26,539,802.84/5,643.79
  6. Step 6: Final answer
    x = 4,702.48

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Half scale
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Double scale
Find fourth proportional to 5,644.79, 7,792.93 and 3,407.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.