Home / 7,935.40-10,951.50-4,399.66

Finding the Fourth Proportional to 7,935.40, 10,951.50 and 4,399.66

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Solution

The fourth proportional to 7,935.40, 10,951.50 and 4,399.66 is: 6,071.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935.40 : 10,951.50 = 4,399.66 : x
  2. Step 2: Convert to fraction form
    7,935.40/10,951.50 = 4,399.66/x
  3. Step 3: Cross multiply
    7,935.40x = 10,951.50 × 4,399.66
  4. Step 4: Simplify right side
    7,935.40x = 48,182,876.49
  5. Step 5: Solve for x
    x = 48,182,876.49/7,935.40
  6. Step 6: Final answer
    x = 6,071.89

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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.