Home / 10,402.20-15,608.70-4,559.40

Finding the Fourth Proportional to 10,402.20, 15,608.70 and 4,559.40

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Solution

The fourth proportional to 10,402.20, 15,608.70 and 4,559.40 is: 6,841.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,402.20 : 15,608.70 = 4,559.40 : x
  2. Step 2: Convert to fraction form
    10,402.20/15,608.70 = 4,559.40/x
  3. Step 3: Cross multiply
    10,402.20x = 15,608.70 × 4,559.40
  4. Step 4: Simplify right side
    10,402.20x = 71,166,306.78
  5. Step 5: Solve for x
    x = 71,166,306.78/10,402.20
  6. Step 6: Final answer
    x = 6,841.47

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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.