Home / 4,872.42-7,309.98-1,585.71

Finding the Fourth Proportional to 4,872.42, 7,309.98 and 1,585.71

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Solution

The fourth proportional to 4,872.42, 7,309.98 and 1,585.71 is: 2,379.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.42 : 7,309.98 = 1,585.71 : x
  2. Step 2: Convert to fraction form
    4,872.42/7,309.98 = 1,585.71/x
  3. Step 3: Cross multiply
    4,872.42x = 7,309.98 × 1,585.71
  4. Step 4: Simplify right side
    4,872.42x = 11,591,508.39
  5. Step 5: Solve for x
    x = 11,591,508.39/4,872.42
  6. Step 6: Final answer
    x = 2,379.00

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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.