Home / 7,863.21-10,851.23-4,326.64

Finding the Fourth Proportional to 7,863.21, 10,851.23 and 4,326.64

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Solution

The fourth proportional to 7,863.21, 10,851.23 and 4,326.64 is: 5,970.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863.21 : 10,851.23 = 4,326.64 : x
  2. Step 2: Convert to fraction form
    7,863.21/10,851.23 = 4,326.64/x
  3. Step 3: Cross multiply
    7,863.21x = 10,851.23 × 4,326.64
  4. Step 4: Simplify right side
    7,863.21x = 46,949,349.46
  5. Step 5: Solve for x
    x = 46,949,349.46/7,863.21
  6. Step 6: Final answer
    x = 5,970.76

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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.