Home / 5,807.12-8,013.69-3,154.47

Finding the Fourth Proportional to 5,807.12, 8,013.69 and 3,154.47

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Solution

The fourth proportional to 5,807.12, 8,013.69 and 3,154.47 is: 4,353.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,807.12 : 8,013.69 = 3,154.47 : x
  2. Step 2: Convert to fraction form
    5,807.12/8,013.69 = 3,154.47/x
  3. Step 3: Cross multiply
    5,807.12x = 8,013.69 × 3,154.47
  4. Step 4: Simplify right side
    5,807.12x = 25,278,888.85
  5. Step 5: Solve for x
    x = 25,278,888.85/5,807.12
  6. Step 6: Final answer
    x = 4,353.09

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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.