Home / 8,330.04-12,490.92-2,485.08

Finding the Fourth Proportional to 8,330.04, 12,490.92 and 2,485.08

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Solution

The fourth proportional to 8,330.04, 12,490.92 and 2,485.08 is: 3,726.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.04 : 12,490.92 = 2,485.08 : x
  2. Step 2: Convert to fraction form
    8,330.04/12,490.92 = 2,485.08/x
  3. Step 3: Cross multiply
    8,330.04x = 12,490.92 × 2,485.08
  4. Step 4: Simplify right side
    8,330.04x = 31,040,935.47
  5. Step 5: Solve for x
    x = 31,040,935.47/8,330.04
  6. Step 6: Final answer
    x = 3,726.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.