Home / 4,874.11-7,312.51-1,587.40

Finding the Fourth Proportional to 4,874.11, 7,312.51 and 1,587.40

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Solution

The fourth proportional to 4,874.11, 7,312.51 and 1,587.40 is: 2,381.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.11 : 7,312.51 = 1,587.40 : x
  2. Step 2: Convert to fraction form
    4,874.11/7,312.51 = 1,587.40/x
  3. Step 3: Cross multiply
    4,874.11x = 7,312.51 × 1,587.40
  4. Step 4: Simplify right side
    4,874.11x = 11,607,862.08
  5. Step 5: Solve for x
    x = 11,607,862.08/4,874.11
  6. Step 6: Final answer
    x = 2,381.54

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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.