Home / 7,474.31-10,314.55-4,332.32

Finding the Fourth Proportional to 7,474.31, 10,314.55 and 4,332.32

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Solution

The fourth proportional to 7,474.31, 10,314.55 and 4,332.32 is: 5,978.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.31 : 10,314.55 = 4,332.32 : x
  2. Step 2: Convert to fraction form
    7,474.31/10,314.55 = 4,332.32/x
  3. Step 3: Cross multiply
    7,474.31x = 10,314.55 × 4,332.32
  4. Step 4: Simplify right side
    7,474.31x = 44,685,967.87
  5. Step 5: Solve for x
    x = 44,685,967.87/7,474.31
  6. Step 6: Final answer
    x = 5,978.61

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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.