Home / 8,740.84-13,111.66-5,785.14

Finding the Fourth Proportional to 8,740.84, 13,111.66 and 5,785.14

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Solution

The fourth proportional to 8,740.84, 13,111.66 and 5,785.14 is: 8,677.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.84 : 13,111.66 = 5,785.14 : x
  2. Step 2: Convert to fraction form
    8,740.84/13,111.66 = 5,785.14/x
  3. Step 3: Cross multiply
    8,740.84x = 13,111.66 × 5,785.14
  4. Step 4: Simplify right side
    8,740.84x = 75,852,788.73
  5. Step 5: Solve for x
    x = 75,852,788.73/8,740.84
  6. Step 6: Final answer
    x = 8,677.97

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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.