Home / 8,471.07-12,689.60-4,075.47

Finding the Fourth Proportional to 8,471.07, 12,689.60 and 4,075.47

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Solution

The fourth proportional to 8,471.07, 12,689.60 and 4,075.47 is: 6,105.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,471.07 : 12,689.60 = 4,075.47 : x
  2. Step 2: Convert to fraction form
    8,471.07/12,689.60 = 4,075.47/x
  3. Step 3: Cross multiply
    8,471.07x = 12,689.60 × 4,075.47
  4. Step 4: Simplify right side
    8,471.07x = 51,716,063.73
  5. Step 5: Solve for x
    x = 51,716,063.73/8,471.07
  6. Step 6: Final answer
    x = 6,105.02

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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.