Home / 7,657.20-10,564.02-4,670.82

Finding the Fourth Proportional to 7,657.20, 10,564.02 and 4,670.82

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Solution

The fourth proportional to 7,657.20, 10,564.02 and 4,670.82 is: 6,443.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,657.20 : 10,564.02 = 4,670.82 : x
  2. Step 2: Convert to fraction form
    7,657.20/10,564.02 = 4,670.82/x
  3. Step 3: Cross multiply
    7,657.20x = 10,564.02 × 4,670.82
  4. Step 4: Simplify right side
    7,657.20x = 49,342,635.90
  5. Step 5: Solve for x
    x = 49,342,635.90/7,657.20
  6. Step 6: Final answer
    x = 6,443.95

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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.