Home / 8,031.90-11,074.58-6,437.27

Finding the Fourth Proportional to 8,031.90, 11,074.58 and 6,437.27

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Solution

The fourth proportional to 8,031.90, 11,074.58 and 6,437.27 is: 8,875.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,031.90 : 11,074.58 = 6,437.27 : x
  2. Step 2: Convert to fraction form
    8,031.90/11,074.58 = 6,437.27/x
  3. Step 3: Cross multiply
    8,031.90x = 11,074.58 × 6,437.27
  4. Step 4: Simplify right side
    8,031.90x = 71,290,061.60
  5. Step 5: Solve for x
    x = 71,290,061.60/8,031.90
  6. Step 6: Final answer
    x = 8,875.87

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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.