Home / 4,987.74-6,876.68-4,088.17

Finding the Fourth Proportional to 4,987.74, 6,876.68 and 4,088.17

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Solution

The fourth proportional to 4,987.74, 6,876.68 and 4,088.17 is: 5,636.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.74 : 6,876.68 = 4,088.17 : x
  2. Step 2: Convert to fraction form
    4,987.74/6,876.68 = 4,088.17/x
  3. Step 3: Cross multiply
    4,987.74x = 6,876.68 × 4,088.17
  4. Step 4: Simplify right side
    4,987.74x = 28,113,029.90
  5. Step 5: Solve for x
    x = 28,113,029.90/4,987.74
  6. Step 6: Final answer
    x = 5,636.43

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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.