Home / 7,020.30-9,689.67-4,037.85

Finding the Fourth Proportional to 7,020.30, 9,689.67 and 4,037.85

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Solution

The fourth proportional to 7,020.30, 9,689.67 and 4,037.85 is: 5,573.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.30 : 9,689.67 = 4,037.85 : x
  2. Step 2: Convert to fraction form
    7,020.30/9,689.67 = 4,037.85/x
  3. Step 3: Cross multiply
    7,020.30x = 9,689.67 × 4,037.85
  4. Step 4: Simplify right side
    7,020.30x = 39,125,434.01
  5. Step 5: Solve for x
    x = 39,125,434.01/7,020.30
  6. Step 6: Final answer
    x = 5,573.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.