Home / 8,700.03-13,045.68-4,258.04

Finding the Fourth Proportional to 8,700.03, 13,045.68 and 4,258.04

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Solution

The fourth proportional to 8,700.03, 13,045.68 and 4,258.04 is: 6,384.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700.03 : 13,045.68 = 4,258.04 : x
  2. Step 2: Convert to fraction form
    8,700.03/13,045.68 = 4,258.04/x
  3. Step 3: Cross multiply
    8,700.03x = 13,045.68 × 4,258.04
  4. Step 4: Simplify right side
    8,700.03x = 55,549,084.09
  5. Step 5: Solve for x
    x = 55,549,084.09/8,700.03
  6. Step 6: Final answer
    x = 6,384.93

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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.