Home / 8,862.60-13,294.38-3,317.40

Finding the Fourth Proportional to 8,862.60, 13,294.38 and 3,317.40

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Solution

The fourth proportional to 8,862.60, 13,294.38 and 3,317.40 is: 4,976.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862.60 : 13,294.38 = 3,317.40 : x
  2. Step 2: Convert to fraction form
    8,862.60/13,294.38 = 3,317.40/x
  3. Step 3: Cross multiply
    8,862.60x = 13,294.38 × 3,317.40
  4. Step 4: Simplify right side
    8,862.60x = 44,102,776.21
  5. Step 5: Solve for x
    x = 44,102,776.21/8,862.60
  6. Step 6: Final answer
    x = 4,976.28

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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.