Home / 6,951.61-10,427.32-1,686.66

Finding the Fourth Proportional to 6,951.61, 10,427.32 and 1,686.66

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Solution

The fourth proportional to 6,951.61, 10,427.32 and 1,686.66 is: 2,529.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,951.61 : 10,427.32 = 1,686.66 : x
  2. Step 2: Convert to fraction form
    6,951.61/10,427.32 = 1,686.66/x
  3. Step 3: Cross multiply
    6,951.61x = 10,427.32 × 1,686.66
  4. Step 4: Simplify right side
    6,951.61x = 17,587,304.19
  5. Step 5: Solve for x
    x = 17,587,304.19/6,951.61
  6. Step 6: Final answer
    x = 2,529.96

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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.