Home / 8,264.27-12,384.77-6,406.70

Finding the Fourth Proportional to 8,264.27, 12,384.77 and 6,406.70

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Solution

The fourth proportional to 8,264.27, 12,384.77 and 6,406.70 is: 9,601.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264.27 : 12,384.77 = 6,406.70 : x
  2. Step 2: Convert to fraction form
    8,264.27/12,384.77 = 6,406.70/x
  3. Step 3: Cross multiply
    8,264.27x = 12,384.77 × 6,406.70
  4. Step 4: Simplify right side
    8,264.27x = 79,345,412.00
  5. Step 5: Solve for x
    x = 79,345,412.00/8,264.27
  6. Step 6: Final answer
    x = 9,601.02

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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.