Home / 6,666.30-9,199.17-4,272.95

Finding the Fourth Proportional to 6,666.30, 9,199.17 and 4,272.95

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Solution

The fourth proportional to 6,666.30, 9,199.17 and 4,272.95 is: 5,896.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666.30 : 9,199.17 = 4,272.95 : x
  2. Step 2: Convert to fraction form
    6,666.30/9,199.17 = 4,272.95/x
  3. Step 3: Cross multiply
    6,666.30x = 9,199.17 × 4,272.95
  4. Step 4: Simplify right side
    6,666.30x = 39,307,616.45
  5. Step 5: Solve for x
    x = 39,307,616.45/6,666.30
  6. Step 6: Final answer
    x = 5,896.47

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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.