Home / 5,152.83-7,729.31-2,378.76

Finding the Fourth Proportional to 5,152.83, 7,729.31 and 2,378.76

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Solution

The fourth proportional to 5,152.83, 7,729.31 and 2,378.76 is: 3,568.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.83 : 7,729.31 = 2,378.76 : x
  2. Step 2: Convert to fraction form
    5,152.83/7,729.31 = 2,378.76/x
  3. Step 3: Cross multiply
    5,152.83x = 7,729.31 × 2,378.76
  4. Step 4: Simplify right side
    5,152.83x = 18,386,173.46
  5. Step 5: Solve for x
    x = 18,386,173.46/5,152.83
  6. Step 6: Final answer
    x = 3,568.17

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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.