Home / 8,106.47-12,159.71-6,260.28

Finding the Fourth Proportional to 8,106.47, 12,159.71 and 6,260.28

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Solution

The fourth proportional to 8,106.47, 12,159.71 and 6,260.28 is: 9,390.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.47 : 12,159.71 = 6,260.28 : x
  2. Step 2: Convert to fraction form
    8,106.47/12,159.71 = 6,260.28/x
  3. Step 3: Cross multiply
    8,106.47x = 12,159.71 × 6,260.28
  4. Step 4: Simplify right side
    8,106.47x = 76,123,158.02
  5. Step 5: Solve for x
    x = 76,123,158.02/8,106.47
  6. Step 6: Final answer
    x = 9,390.43

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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.