Home / 8,263.46-12,395.88-2,641.92

Finding the Fourth Proportional to 8,263.46, 12,395.88 and 2,641.92

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Solution

The fourth proportional to 8,263.46, 12,395.88 and 2,641.92 is: 3,963.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263.46 : 12,395.88 = 2,641.92 : x
  2. Step 2: Convert to fraction form
    8,263.46/12,395.88 = 2,641.92/x
  3. Step 3: Cross multiply
    8,263.46x = 12,395.88 × 2,641.92
  4. Step 4: Simplify right side
    8,263.46x = 32,748,923.29
  5. Step 5: Solve for x
    x = 32,748,923.29/8,263.46
  6. Step 6: Final answer
    x = 3,963.10

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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.