Home / 5,643.60-8,466.86-3,305.58

Finding the Fourth Proportional to 5,643.60, 8,466.86 and 3,305.58

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Solution

The fourth proportional to 5,643.60, 8,466.86 and 3,305.58 is: 4,959.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,643.60 : 8,466.86 = 3,305.58 : x
  2. Step 2: Convert to fraction form
    5,643.60/8,466.86 = 3,305.58/x
  3. Step 3: Cross multiply
    5,643.60x = 8,466.86 × 3,305.58
  4. Step 4: Simplify right side
    5,643.60x = 27,987,883.08
  5. Step 5: Solve for x
    x = 27,987,883.08/5,643.60
  6. Step 6: Final answer
    x = 4,959.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.