Home / 7,650.80-10,572.62-6,516.30

Finding the Fourth Proportional to 7,650.80, 10,572.62 and 6,516.30

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Solution

The fourth proportional to 7,650.80, 10,572.62 and 6,516.30 is: 9,004.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,650.80 : 10,572.62 = 6,516.30 : x
  2. Step 2: Convert to fraction form
    7,650.80/10,572.62 = 6,516.30/x
  3. Step 3: Cross multiply
    7,650.80x = 10,572.62 × 6,516.30
  4. Step 4: Simplify right side
    7,650.80x = 68,894,363.71
  5. Step 5: Solve for x
    x = 68,894,363.71/7,650.80
  6. Step 6: Final answer
    x = 9,004.86

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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.