Home / 6,689.61-9,228.60-4,332.51

Finding the Fourth Proportional to 6,689.61, 9,228.60 and 4,332.51

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Solution

The fourth proportional to 6,689.61, 9,228.60 and 4,332.51 is: 5,976.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,689.61 : 9,228.60 = 4,332.51 : x
  2. Step 2: Convert to fraction form
    6,689.61/9,228.60 = 4,332.51/x
  3. Step 3: Cross multiply
    6,689.61x = 9,228.60 × 4,332.51
  4. Step 4: Simplify right side
    6,689.61x = 39,983,001.79
  5. Step 5: Solve for x
    x = 39,983,001.79/6,689.61
  6. Step 6: Final answer
    x = 5,976.88

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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.