Home / 8,510.30-12,765.45-2,666.91

Finding the Fourth Proportional to 8,510.30, 12,765.45 and 2,666.91

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Solution

The fourth proportional to 8,510.30, 12,765.45 and 2,666.91 is: 4,000.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510.30 : 12,765.45 = 2,666.91 : x
  2. Step 2: Convert to fraction form
    8,510.30/12,765.45 = 2,666.91/x
  3. Step 3: Cross multiply
    8,510.30x = 12,765.45 × 2,666.91
  4. Step 4: Simplify right side
    8,510.30x = 34,044,306.26
  5. Step 5: Solve for x
    x = 34,044,306.26/8,510.30
  6. Step 6: Final answer
    x = 4,000.37

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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.