Home / 4,987.92-6,876.95-4,088.35

Finding the Fourth Proportional to 4,987.92, 6,876.95 and 4,088.35

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Solution

The fourth proportional to 4,987.92, 6,876.95 and 4,088.35 is: 5,636.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.92 : 6,876.95 = 4,088.35 : x
  2. Step 2: Convert to fraction form
    4,987.92/6,876.95 = 4,088.35/x
  3. Step 3: Cross multiply
    4,987.92x = 6,876.95 × 4,088.35
  4. Step 4: Simplify right side
    4,987.92x = 28,115,366.69
  5. Step 5: Solve for x
    x = 28,115,366.69/4,987.92
  6. Step 6: Final answer
    x = 5,636.69

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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.