Home / 5,917.10-8,867.55-2,988.14

Finding the Fourth Proportional to 5,917.10, 8,867.55 and 2,988.14

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Solution

The fourth proportional to 5,917.10, 8,867.55 and 2,988.14 is: 4,478.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,917.10 : 8,867.55 = 2,988.14 : x
  2. Step 2: Convert to fraction form
    5,917.10/8,867.55 = 2,988.14/x
  3. Step 3: Cross multiply
    5,917.10x = 8,867.55 × 2,988.14
  4. Step 4: Simplify right side
    5,917.10x = 26,497,480.86
  5. Step 5: Solve for x
    x = 26,497,480.86/5,917.10
  6. Step 6: Final answer
    x = 4,478.12

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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.