Home / 8,990.92-13,477.18-3,442.76

Finding the Fourth Proportional to 8,990.92, 13,477.18 and 3,442.76

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Solution

The fourth proportional to 8,990.92, 13,477.18 and 3,442.76 is: 5,160.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,990.92 : 13,477.18 = 3,442.76 : x
  2. Step 2: Convert to fraction form
    8,990.92/13,477.18 = 3,442.76/x
  3. Step 3: Cross multiply
    8,990.92x = 13,477.18 × 3,442.76
  4. Step 4: Simplify right side
    8,990.92x = 46,398,696.22
  5. Step 5: Solve for x
    x = 46,398,696.22/8,990.92
  6. Step 6: Final answer
    x = 5,160.62

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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.