Home / 8,574.13-12,862.23-3,307.90

Finding the Fourth Proportional to 8,574.13, 12,862.23 and 3,307.90

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Solution

The fourth proportional to 8,574.13, 12,862.23 and 3,307.90 is: 4,962.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,574.13 : 12,862.23 = 3,307.90 : x
  2. Step 2: Convert to fraction form
    8,574.13/12,862.23 = 3,307.90/x
  3. Step 3: Cross multiply
    8,574.13x = 12,862.23 × 3,307.90
  4. Step 4: Simplify right side
    8,574.13x = 42,546,970.62
  5. Step 5: Solve for x
    x = 42,546,970.62/8,574.13
  6. Step 6: Final answer
    x = 4,962.25

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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.