Home / 5,200.17-7,800.27-1,304.58

Finding the Fourth Proportional to 5,200.17, 7,800.27 and 1,304.58

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Solution

The fourth proportional to 5,200.17, 7,800.27 and 1,304.58 is: 1,956.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200.17 : 7,800.27 = 1,304.58 : x
  2. Step 2: Convert to fraction form
    5,200.17/7,800.27 = 1,304.58/x
  3. Step 3: Cross multiply
    5,200.17x = 7,800.27 × 1,304.58
  4. Step 4: Simplify right side
    5,200.17x = 10,176,076.24
  5. Step 5: Solve for x
    x = 10,176,076.24/5,200.17
  6. Step 6: Final answer
    x = 1,956.87

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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.