Home / 8,724.74-13,088.55-4,105.22

Finding the Fourth Proportional to 8,724.74, 13,088.55 and 4,105.22

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Solution

The fourth proportional to 8,724.74, 13,088.55 and 4,105.22 is: 6,158.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.74 : 13,088.55 = 4,105.22 : x
  2. Step 2: Convert to fraction form
    8,724.74/13,088.55 = 4,105.22/x
  3. Step 3: Cross multiply
    8,724.74x = 13,088.55 × 4,105.22
  4. Step 4: Simplify right side
    8,724.74x = 53,731,377.23
  5. Step 5: Solve for x
    x = 53,731,377.23/8,724.74
  6. Step 6: Final answer
    x = 6,158.51

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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.