Home / 8,840.18-12,201.30-5,607.92

Finding the Fourth Proportional to 8,840.18, 12,201.30 and 5,607.92

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Solution

The fourth proportional to 8,840.18, 12,201.30 and 5,607.92 is: 7,740.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.18 : 12,201.30 = 5,607.92 : x
  2. Step 2: Convert to fraction form
    8,840.18/12,201.30 = 5,607.92/x
  3. Step 3: Cross multiply
    8,840.18x = 12,201.30 × 5,607.92
  4. Step 4: Simplify right side
    8,840.18x = 68,423,853.29
  5. Step 5: Solve for x
    x = 68,423,853.29/8,840.18
  6. Step 6: Final answer
    x = 7,740.10

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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.