Home / 8,890.80-13,335.85-2,317.04

Finding the Fourth Proportional to 8,890.80, 13,335.85 and 2,317.04

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Solution

The fourth proportional to 8,890.80, 13,335.85 and 2,317.04 is: 3,475.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890.80 : 13,335.85 = 2,317.04 : x
  2. Step 2: Convert to fraction form
    8,890.80/13,335.85 = 2,317.04/x
  3. Step 3: Cross multiply
    8,890.80x = 13,335.85 × 2,317.04
  4. Step 4: Simplify right side
    8,890.80x = 30,899,697.88
  5. Step 5: Solve for x
    x = 30,899,697.88/8,890.80
  6. Step 6: Final answer
    x = 3,475.47

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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.