Home / 8,911.24-12,298.66-5,376.44

Finding the Fourth Proportional to 8,911.24, 12,298.66 and 5,376.44

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Solution

The fourth proportional to 8,911.24, 12,298.66 and 5,376.44 is: 7,420.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911.24 : 12,298.66 = 5,376.44 : x
  2. Step 2: Convert to fraction form
    8,911.24/12,298.66 = 5,376.44/x
  3. Step 3: Cross multiply
    8,911.24x = 12,298.66 × 5,376.44
  4. Step 4: Simplify right side
    8,911.24x = 66,123,007.57
  5. Step 5: Solve for x
    x = 66,123,007.57/8,911.24
  6. Step 6: Final answer
    x = 7,420.18

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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.