Home / 8,678.30-13,016.10-2,437.70

Finding the Fourth Proportional to 8,678.30, 13,016.10 and 2,437.70

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Solution

The fourth proportional to 8,678.30, 13,016.10 and 2,437.70 is: 3,656.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,678.30 : 13,016.10 = 2,437.70 : x
  2. Step 2: Convert to fraction form
    8,678.30/13,016.10 = 2,437.70/x
  3. Step 3: Cross multiply
    8,678.30x = 13,016.10 × 2,437.70
  4. Step 4: Simplify right side
    8,678.30x = 31,729,346.97
  5. Step 5: Solve for x
    x = 31,729,346.97/8,678.30
  6. Step 6: Final answer
    x = 3,656.17

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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.