Home / 7,863.13-10,851.31-4,278.29

Finding the Fourth Proportional to 7,863.13, 10,851.31 and 4,278.29

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Solution

The fourth proportional to 7,863.13, 10,851.31 and 4,278.29 is: 5,904.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863.13 : 10,851.31 = 4,278.29 : x
  2. Step 2: Convert to fraction form
    7,863.13/10,851.31 = 4,278.29/x
  3. Step 3: Cross multiply
    7,863.13x = 10,851.31 × 4,278.29
  4. Step 4: Simplify right side
    7,863.13x = 46,425,051.06
  5. Step 5: Solve for x
    x = 46,425,051.06/7,863.13
  6. Step 6: Final answer
    x = 5,904.14

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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.