Home / 4,874.31-7,312.07-1,587.74

Finding the Fourth Proportional to 4,874.31, 7,312.07 and 1,587.74

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Solution

The fourth proportional to 4,874.31, 7,312.07 and 1,587.74 is: 2,381.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.31 : 7,312.07 = 1,587.74 : x
  2. Step 2: Convert to fraction form
    4,874.31/7,312.07 = 1,587.74/x
  3. Step 3: Cross multiply
    4,874.31x = 7,312.07 × 1,587.74
  4. Step 4: Simplify right side
    4,874.31x = 11,609,633.43
  5. Step 5: Solve for x
    x = 11,609,633.43/4,874.31
  6. Step 6: Final answer
    x = 2,381.80

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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.