Home / 6,689.19-9,222.69-4,294.94

Finding the Fourth Proportional to 6,689.19, 9,222.69 and 4,294.94

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Solution

The fourth proportional to 6,689.19, 9,222.69 and 4,294.94 is: 5,921.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,689.19 : 9,222.69 = 4,294.94 : x
  2. Step 2: Convert to fraction form
    6,689.19/9,222.69 = 4,294.94/x
  3. Step 3: Cross multiply
    6,689.19x = 9,222.69 × 4,294.94
  4. Step 4: Simplify right side
    6,689.19x = 39,610,854.08
  5. Step 5: Solve for x
    x = 39,610,854.08/6,689.19
  6. Step 6: Final answer
    x = 5,921.62

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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.