Home / 7,577.18-10,456.98-5,057.68

Finding the Fourth Proportional to 7,577.18, 10,456.98 and 5,057.68

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Solution

The fourth proportional to 7,577.18, 10,456.98 and 5,057.68 is: 6,979.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,577.18 : 10,456.98 = 5,057.68 : x
  2. Step 2: Convert to fraction form
    7,577.18/10,456.98 = 5,057.68/x
  3. Step 3: Cross multiply
    7,577.18x = 10,456.98 × 5,057.68
  4. Step 4: Simplify right side
    7,577.18x = 52,888,058.61
  5. Step 5: Solve for x
    x = 52,888,058.61/7,577.18
  6. Step 6: Final answer
    x = 6,979.91

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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.