Home / 8,991.08-13,488.48-2,750.72

Finding the Fourth Proportional to 8,991.08, 13,488.48 and 2,750.72

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Solution

The fourth proportional to 8,991.08, 13,488.48 and 2,750.72 is: 4,126.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,991.08 : 13,488.48 = 2,750.72 : x
  2. Step 2: Convert to fraction form
    8,991.08/13,488.48 = 2,750.72/x
  3. Step 3: Cross multiply
    8,991.08x = 13,488.48 × 2,750.72
  4. Step 4: Simplify right side
    8,991.08x = 37,103,031.71
  5. Step 5: Solve for x
    x = 37,103,031.71/8,991.08
  6. Step 6: Final answer
    x = 4,126.65

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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.