Home / 7,615.32-10,508.42-4,470.90

Finding the Fourth Proportional to 7,615.32, 10,508.42 and 4,470.90

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Solution

The fourth proportional to 7,615.32, 10,508.42 and 4,470.90 is: 6,169.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,615.32 : 10,508.42 = 4,470.90 : x
  2. Step 2: Convert to fraction form
    7,615.32/10,508.42 = 4,470.90/x
  3. Step 3: Cross multiply
    7,615.32x = 10,508.42 × 4,470.90
  4. Step 4: Simplify right side
    7,615.32x = 46,982,094.98
  5. Step 5: Solve for x
    x = 46,982,094.98/7,615.32
  6. Step 6: Final answer
    x = 6,169.42

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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.