Home / 8,248.77-12,377.41-5,477.36

Finding the Fourth Proportional to 8,248.77, 12,377.41 and 5,477.36

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Solution

The fourth proportional to 8,248.77, 12,377.41 and 5,477.36 is: 8,218.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,248.77 : 12,377.41 = 5,477.36 : x
  2. Step 2: Convert to fraction form
    8,248.77/12,377.41 = 5,477.36/x
  3. Step 3: Cross multiply
    8,248.77x = 12,377.41 × 5,477.36
  4. Step 4: Simplify right side
    8,248.77x = 67,795,454.86
  5. Step 5: Solve for x
    x = 67,795,454.86/8,248.77
  6. Step 6: Final answer
    x = 8,218.86

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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.