Home / 8,700.37-13,050.51-2,126.59

Finding the Fourth Proportional to 8,700.37, 13,050.51 and 2,126.59

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Solution

The fourth proportional to 8,700.37, 13,050.51 and 2,126.59 is: 3,189.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700.37 : 13,050.51 = 2,126.59 : x
  2. Step 2: Convert to fraction form
    8,700.37/13,050.51 = 2,126.59/x
  3. Step 3: Cross multiply
    8,700.37x = 13,050.51 × 2,126.59
  4. Step 4: Simplify right side
    8,700.37x = 27,753,084.06
  5. Step 5: Solve for x
    x = 27,753,084.06/8,700.37
  6. Step 6: Final answer
    x = 3,189.87

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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.