Home / 7,411.20-10,177.32-6,230.28

Finding the Fourth Proportional to 7,411.20, 10,177.32 and 6,230.28

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Solution

The fourth proportional to 7,411.20, 10,177.32 and 6,230.28 is: 8,555.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.20 : 10,177.32 = 6,230.28 : x
  2. Step 2: Convert to fraction form
    7,411.20/10,177.32 = 6,230.28/x
  3. Step 3: Cross multiply
    7,411.20x = 10,177.32 × 6,230.28
  4. Step 4: Simplify right side
    7,411.20x = 63,407,553.25
  5. Step 5: Solve for x
    x = 63,407,553.25/7,411.20
  6. Step 6: Final answer
    x = 8,555.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.