Home / 7,618.96-10,517.40-4,635.76

Finding the Fourth Proportional to 7,618.96, 10,517.40 and 4,635.76

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Solution

The fourth proportional to 7,618.96, 10,517.40 and 4,635.76 is: 6,399.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.96 : 10,517.40 = 4,635.76 : x
  2. Step 2: Convert to fraction form
    7,618.96/10,517.40 = 4,635.76/x
  3. Step 3: Cross multiply
    7,618.96x = 10,517.40 × 4,635.76
  4. Step 4: Simplify right side
    7,618.96x = 48,756,142.22
  5. Step 5: Solve for x
    x = 48,756,142.22/7,618.96
  6. Step 6: Final answer
    x = 6,399.32

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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.