Home / 7,863.36-10,851.44-4,326.50

Finding the Fourth Proportional to 7,863.36, 10,851.44 and 4,326.50

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Solution

The fourth proportional to 7,863.36, 10,851.44 and 4,326.50 is: 5,970.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863.36 : 10,851.44 = 4,326.50 : x
  2. Step 2: Convert to fraction form
    7,863.36/10,851.44 = 4,326.50/x
  3. Step 3: Cross multiply
    7,863.36x = 10,851.44 × 4,326.50
  4. Step 4: Simplify right side
    7,863.36x = 46,948,679.27
  5. Step 5: Solve for x
    x = 46,948,679.27/7,863.36
  6. Step 6: Final answer
    x = 5,970.56

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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.