Home / 6,876.30-10,305.18-5,018.70

Finding the Fourth Proportional to 6,876.30, 10,305.18 and 5,018.70

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Solution

The fourth proportional to 6,876.30, 10,305.18 and 5,018.70 is: 7,521.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876.30 : 10,305.18 = 5,018.70 : x
  2. Step 2: Convert to fraction form
    6,876.30/10,305.18 = 5,018.70/x
  3. Step 3: Cross multiply
    6,876.30x = 10,305.18 × 5,018.70
  4. Step 4: Simplify right side
    6,876.30x = 51,718,606.87
  5. Step 5: Solve for x
    x = 51,718,606.87/6,876.30
  6. Step 6: Final answer
    x = 7,521.28

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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.