Home / 5,139.66-7,708.28-2,364.60

Finding the Fourth Proportional to 5,139.66, 7,708.28 and 2,364.60

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Solution

The fourth proportional to 5,139.66, 7,708.28 and 2,364.60 is: 3,546.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,139.66 : 7,708.28 = 2,364.60 : x
  2. Step 2: Convert to fraction form
    5,139.66/7,708.28 = 2,364.60/x
  3. Step 3: Cross multiply
    5,139.66x = 7,708.28 × 2,364.60
  4. Step 4: Simplify right side
    5,139.66x = 18,226,987.07
  5. Step 5: Solve for x
    x = 18,226,987.07/5,139.66
  6. Step 6: Final answer
    x = 3,546.34

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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.