Home / 7,881.29-10,876.03-4,296.28

Finding the Fourth Proportional to 7,881.29, 10,876.03 and 4,296.28

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Solution

The fourth proportional to 7,881.29, 10,876.03 and 4,296.28 is: 5,928.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881.29 : 10,876.03 = 4,296.28 : x
  2. Step 2: Convert to fraction form
    7,881.29/10,876.03 = 4,296.28/x
  3. Step 3: Cross multiply
    7,881.29x = 10,876.03 × 4,296.28
  4. Step 4: Simplify right side
    7,881.29x = 46,726,432.24
  5. Step 5: Solve for x
    x = 46,726,432.24/7,881.29
  6. Step 6: Final answer
    x = 5,928.78

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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.