Home / 5,498.01-8,248.30-1,987.40

Finding the Fourth Proportional to 5,498.01, 8,248.30 and 1,987.40

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Solution

The fourth proportional to 5,498.01, 8,248.30 and 1,987.40 is: 2,981.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,498.01 : 8,248.30 = 1,987.40 : x
  2. Step 2: Convert to fraction form
    5,498.01/8,248.30 = 1,987.40/x
  3. Step 3: Cross multiply
    5,498.01x = 8,248.30 × 1,987.40
  4. Step 4: Simplify right side
    5,498.01x = 16,392,687.07
  5. Step 5: Solve for x
    x = 16,392,687.07/5,498.01
  6. Step 6: Final answer
    x = 2,981.57

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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.