Home / 8,590.28-12,881.08-3,042.84

Finding the Fourth Proportional to 8,590.28, 12,881.08 and 3,042.84

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Solution

The fourth proportional to 8,590.28, 12,881.08 and 3,042.84 is: 4,562.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,590.28 : 12,881.08 = 3,042.84 : x
  2. Step 2: Convert to fraction form
    8,590.28/12,881.08 = 3,042.84/x
  3. Step 3: Cross multiply
    8,590.28x = 12,881.08 × 3,042.84
  4. Step 4: Simplify right side
    8,590.28x = 39,195,050.25
  5. Step 5: Solve for x
    x = 39,195,050.25/8,590.28
  6. Step 6: Final answer
    x = 4,562.72

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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.