Home / 7,065.02-9,750.51-4,081.82

Finding the Fourth Proportional to 7,065.02, 9,750.51 and 4,081.82

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Solution

The fourth proportional to 7,065.02, 9,750.51 and 4,081.82 is: 5,633.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,065.02 : 9,750.51 = 4,081.82 : x
  2. Step 2: Convert to fraction form
    7,065.02/9,750.51 = 4,081.82/x
  3. Step 3: Cross multiply
    7,065.02x = 9,750.51 × 4,081.82
  4. Step 4: Simplify right side
    7,065.02x = 39,799,826.73
  5. Step 5: Solve for x
    x = 39,799,826.73/7,065.02
  6. Step 6: Final answer
    x = 5,633.36

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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.