Home / 8,780.06-13,168.14-2,538.71

Finding the Fourth Proportional to 8,780.06, 13,168.14 and 2,538.71

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Solution

The fourth proportional to 8,780.06, 13,168.14 and 2,538.71 is: 3,807.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,780.06 : 13,168.14 = 2,538.71 : x
  2. Step 2: Convert to fraction form
    8,780.06/13,168.14 = 2,538.71/x
  3. Step 3: Cross multiply
    8,780.06x = 13,168.14 × 2,538.71
  4. Step 4: Simplify right side
    8,780.06x = 33,430,088.70
  5. Step 5: Solve for x
    x = 33,430,088.70/8,780.06
  6. Step 6: Final answer
    x = 3,807.50

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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.