Home / 7,851.12-11,775.32-2,304.36

Finding the Fourth Proportional to 7,851.12, 11,775.32 and 2,304.36

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Solution

The fourth proportional to 7,851.12, 11,775.32 and 2,304.36 is: 3,456.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,851.12 : 11,775.32 = 2,304.36 : x
  2. Step 2: Convert to fraction form
    7,851.12/11,775.32 = 2,304.36/x
  3. Step 3: Cross multiply
    7,851.12x = 11,775.32 × 2,304.36
  4. Step 4: Simplify right side
    7,851.12x = 27,134,576.40
  5. Step 5: Solve for x
    x = 27,134,576.40/7,851.12
  6. Step 6: Final answer
    x = 3,456.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.