Home / 7,131.24-10,686.87-2,966.76

Finding the Fourth Proportional to 7,131.24, 10,686.87 and 2,966.76

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Solution

The fourth proportional to 7,131.24, 10,686.87 and 2,966.76 is: 4,445.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131.24 : 10,686.87 = 2,966.76 : x
  2. Step 2: Convert to fraction form
    7,131.24/10,686.87 = 2,966.76/x
  3. Step 3: Cross multiply
    7,131.24x = 10,686.87 × 2,966.76
  4. Step 4: Simplify right side
    7,131.24x = 31,705,378.44
  5. Step 5: Solve for x
    x = 31,705,378.44/7,131.24
  6. Step 6: Final answer
    x = 4,445.98

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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.