Home / 8,456.28-12,681.62-4,013.32

Finding the Fourth Proportional to 8,456.28, 12,681.62 and 4,013.32

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Solution

The fourth proportional to 8,456.28, 12,681.62 and 4,013.32 is: 6,018.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,456.28 : 12,681.62 = 4,013.32 : x
  2. Step 2: Convert to fraction form
    8,456.28/12,681.62 = 4,013.32/x
  3. Step 3: Cross multiply
    8,456.28x = 12,681.62 × 4,013.32
  4. Step 4: Simplify right side
    8,456.28x = 50,895,399.18
  5. Step 5: Solve for x
    x = 50,895,399.18/8,456.28
  6. Step 6: Final answer
    x = 6,018.65

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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.