Home / 8,356.06-12,534.72-3,977.74

Finding the Fourth Proportional to 8,356.06, 12,534.72 and 3,977.74

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Solution

The fourth proportional to 8,356.06, 12,534.72 and 3,977.74 is: 5,966.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.06 : 12,534.72 = 3,977.74 : x
  2. Step 2: Convert to fraction form
    8,356.06/12,534.72 = 3,977.74/x
  3. Step 3: Cross multiply
    8,356.06x = 12,534.72 × 3,977.74
  4. Step 4: Simplify right side
    8,356.06x = 49,859,857.13
  5. Step 5: Solve for x
    x = 49,859,857.13/8,356.06
  6. Step 6: Final answer
    x = 5,966.91

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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.