Home / 7,612.32-10,505.68-4,627.44

Finding the Fourth Proportional to 7,612.32, 10,505.68 and 4,627.44

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Solution

The fourth proportional to 7,612.32, 10,505.68 and 4,627.44 is: 6,386.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,612.32 : 10,505.68 = 4,627.44 : x
  2. Step 2: Convert to fraction form
    7,612.32/10,505.68 = 4,627.44/x
  3. Step 3: Cross multiply
    7,612.32x = 10,505.68 × 4,627.44
  4. Step 4: Simplify right side
    7,612.32x = 48,614,403.86
  5. Step 5: Solve for x
    x = 48,614,403.86/7,612.32
  6. Step 6: Final answer
    x = 6,386.28

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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.