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Finding the Fourth Proportional to 5,826.72, 8,001.72 and 4,987.44

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Solution

The fourth proportional to 5,826.72, 8,001.72 and 4,987.44 is: 6,849.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,826.72 : 8,001.72 = 4,987.44 : x
  2. Step 2: Convert to fraction form
    5,826.72/8,001.72 = 4,987.44/x
  3. Step 3: Cross multiply
    5,826.72x = 8,001.72 × 4,987.44
  4. Step 4: Simplify right side
    5,826.72x = 39,908,098.40
  5. Step 5: Solve for x
    x = 39,908,098.40/5,826.72
  6. Step 6: Final answer
    x = 6,849.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.