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Finding the Fourth Proportional to 7,502.66, 10,346.95 and 6,247.87

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Solution

The fourth proportional to 7,502.66, 10,346.95 and 6,247.87 is: 8,616.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,502.66 : 10,346.95 = 6,247.87 : x
  2. Step 2: Convert to fraction form
    7,502.66/10,346.95 = 6,247.87/x
  3. Step 3: Cross multiply
    7,502.66x = 10,346.95 × 6,247.87
  4. Step 4: Simplify right side
    7,502.66x = 64,646,367.26
  5. Step 5: Solve for x
    x = 64,646,367.26/7,502.66
  6. Step 6: Final answer
    x = 8,616.46

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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.