Home / 7,863.40-10,851.60-4,326.76

Finding the Fourth Proportional to 7,863.40, 10,851.60 and 4,326.76

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Solution

The fourth proportional to 7,863.40, 10,851.60 and 4,326.76 is: 5,970.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863.40 : 10,851.60 = 4,326.76 : x
  2. Step 2: Convert to fraction form
    7,863.40/10,851.60 = 4,326.76/x
  3. Step 3: Cross multiply
    7,863.40x = 10,851.60 × 4,326.76
  4. Step 4: Simplify right side
    7,863.40x = 46,952,268.82
  5. Step 5: Solve for x
    x = 46,952,268.82/7,863.40
  6. Step 6: Final answer
    x = 5,970.99

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Half scale
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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.