Home / 7,680.20-10,608.48-5,876.71

Finding the Fourth Proportional to 7,680.20, 10,608.48 and 5,876.71

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Solution

The fourth proportional to 7,680.20, 10,608.48 and 5,876.71 is: 8,117.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680.20 : 10,608.48 = 5,876.71 : x
  2. Step 2: Convert to fraction form
    7,680.20/10,608.48 = 5,876.71/x
  3. Step 3: Cross multiply
    7,680.20x = 10,608.48 × 5,876.71
  4. Step 4: Simplify right side
    7,680.20x = 62,342,907.46
  5. Step 5: Solve for x
    x = 62,342,907.46/7,680.20
  6. Step 6: Final answer
    x = 8,117.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.