Home / 5,262.40-7,888.28-3,414.70

Finding the Fourth Proportional to 5,262.40, 7,888.28 and 3,414.70

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Solution

The fourth proportional to 5,262.40, 7,888.28 and 3,414.70 is: 5,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,262.40 : 7,888.28 = 3,414.70 : x
  2. Step 2: Convert to fraction form
    5,262.40/7,888.28 = 3,414.70/x
  3. Step 3: Cross multiply
    5,262.40x = 7,888.28 × 3,414.70
  4. Step 4: Simplify right side
    5,262.40x = 26,936,109.72
  5. Step 5: Solve for x
    x = 26,936,109.72/5,262.40
  6. Step 6: Final answer
    x = 5,118.60

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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.