Home / 8,700.73-13,051.02-2,126.85

Finding the Fourth Proportional to 8,700.73, 13,051.02 and 2,126.85

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Solution

The fourth proportional to 8,700.73, 13,051.02 and 2,126.85 is: 3,190.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700.73 : 13,051.02 = 2,126.85 : x
  2. Step 2: Convert to fraction form
    8,700.73/13,051.02 = 2,126.85/x
  3. Step 3: Cross multiply
    8,700.73x = 13,051.02 × 2,126.85
  4. Step 4: Simplify right side
    8,700.73x = 27,757,561.89
  5. Step 5: Solve for x
    x = 27,757,561.89/8,700.73
  6. Step 6: Final answer
    x = 3,190.26

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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.