Home / 8,719.92-12,037.21-5,184.27

Finding the Fourth Proportional to 8,719.92, 12,037.21 and 5,184.27

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Solution

The fourth proportional to 8,719.92, 12,037.21 and 5,184.27 is: 7,156.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719.92 : 12,037.21 = 5,184.27 : x
  2. Step 2: Convert to fraction form
    8,719.92/12,037.21 = 5,184.27/x
  3. Step 3: Cross multiply
    8,719.92x = 12,037.21 × 5,184.27
  4. Step 4: Simplify right side
    8,719.92x = 62,404,133.73
  5. Step 5: Solve for x
    x = 62,404,133.73/8,719.92
  6. Step 6: Final answer
    x = 7,156.50

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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.