Home / 7,386.73-11,070.85-3,689.99

Finding the Fourth Proportional to 7,386.73, 11,070.85 and 3,689.99

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Solution

The fourth proportional to 7,386.73, 11,070.85 and 3,689.99 is: 5,530.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.73 : 11,070.85 = 3,689.99 : x
  2. Step 2: Convert to fraction form
    7,386.73/11,070.85 = 3,689.99/x
  3. Step 3: Cross multiply
    7,386.73x = 11,070.85 × 3,689.99
  4. Step 4: Simplify right side
    7,386.73x = 40,851,251.99
  5. Step 5: Solve for x
    x = 40,851,251.99/7,386.73
  6. Step 6: Final answer
    x = 5,530.36

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1.5x scale

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.