Home / 8,158.88-11,259.04-4,621.76

Finding the Fourth Proportional to 8,158.88, 11,259.04 and 4,621.76

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Solution

The fourth proportional to 8,158.88, 11,259.04 and 4,621.76 is: 6,377.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.88 : 11,259.04 = 4,621.76 : x
  2. Step 2: Convert to fraction form
    8,158.88/11,259.04 = 4,621.76/x
  3. Step 3: Cross multiply
    8,158.88x = 11,259.04 × 4,621.76
  4. Step 4: Simplify right side
    8,158.88x = 52,036,580.71
  5. Step 5: Solve for x
    x = 52,036,580.71/8,158.88
  6. Step 6: Final answer
    x = 6,377.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.