Home / 8,510.49-12,767.36-2,665.53

Finding the Fourth Proportional to 8,510.49, 12,767.36 and 2,665.53

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Solution

The fourth proportional to 8,510.49, 12,767.36 and 2,665.53 is: 3,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510.49 : 12,767.36 = 2,665.53 : x
  2. Step 2: Convert to fraction form
    8,510.49/12,767.36 = 2,665.53/x
  3. Step 3: Cross multiply
    8,510.49x = 12,767.36 × 2,665.53
  4. Step 4: Simplify right side
    8,510.49x = 34,031,767.77
  5. Step 5: Solve for x
    x = 34,031,767.77/8,510.49
  6. Step 6: Final answer
    x = 3,998.80

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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.