Home / 5,653.90-7,802.42-3,135.96

Finding the Fourth Proportional to 5,653.90, 7,802.42 and 3,135.96

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Solution

The fourth proportional to 5,653.90, 7,802.42 and 3,135.96 is: 4,327.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,653.90 : 7,802.42 = 3,135.96 : x
  2. Step 2: Convert to fraction form
    5,653.90/7,802.42 = 3,135.96/x
  3. Step 3: Cross multiply
    5,653.90x = 7,802.42 × 3,135.96
  4. Step 4: Simplify right side
    5,653.90x = 24,468,077.02
  5. Step 5: Solve for x
    x = 24,468,077.02/5,653.90
  6. Step 6: Final answer
    x = 4,327.65

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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.