Home / 7,073.71-9,761.37-4,089.26

Finding the Fourth Proportional to 7,073.71, 9,761.37 and 4,089.26

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Solution

The fourth proportional to 7,073.71, 9,761.37 and 4,089.26 is: 5,642.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,073.71 : 9,761.37 = 4,089.26 : x
  2. Step 2: Convert to fraction form
    7,073.71/9,761.37 = 4,089.26/x
  3. Step 3: Cross multiply
    7,073.71x = 9,761.37 × 4,089.26
  4. Step 4: Simplify right side
    7,073.71x = 39,916,779.89
  5. Step 5: Solve for x
    x = 39,916,779.89/7,073.71
  6. Step 6: Final answer
    x = 5,642.98

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1.5x scale

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.