Home / 4,680.96-6,987.18-4,127.40

Finding the Fourth Proportional to 4,680.96, 6,987.18 and 4,127.40

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Solution

The fourth proportional to 4,680.96, 6,987.18 and 4,127.40 is: 6,160.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.96 : 6,987.18 = 4,127.40 : x
  2. Step 2: Convert to fraction form
    4,680.96/6,987.18 = 4,127.40/x
  3. Step 3: Cross multiply
    4,680.96x = 6,987.18 × 4,127.40
  4. Step 4: Simplify right side
    4,680.96x = 28,838,886.73
  5. Step 5: Solve for x
    x = 28,838,886.73/4,680.96
  6. Step 6: Final answer
    x = 6,160.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.