Home / 7,844.28-10,826.78-4,702.29

Finding the Fourth Proportional to 7,844.28, 10,826.78 and 4,702.29

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Solution

The fourth proportional to 7,844.28, 10,826.78 and 4,702.29 is: 6,490.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,844.28 : 10,826.78 = 4,702.29 : x
  2. Step 2: Convert to fraction form
    7,844.28/10,826.78 = 4,702.29/x
  3. Step 3: Cross multiply
    7,844.28x = 10,826.78 × 4,702.29
  4. Step 4: Simplify right side
    7,844.28x = 50,910,635.81
  5. Step 5: Solve for x
    x = 50,910,635.81/7,844.28
  6. Step 6: Final answer
    x = 6,490.16

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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.