Home / 6,251.29-9,378.46-1,868.72

Finding the Fourth Proportional to 6,251.29, 9,378.46 and 1,868.72

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Solution

The fourth proportional to 6,251.29, 9,378.46 and 1,868.72 is: 2,803.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,251.29 : 9,378.46 = 1,868.72 : x
  2. Step 2: Convert to fraction form
    6,251.29/9,378.46 = 1,868.72/x
  3. Step 3: Cross multiply
    6,251.29x = 9,378.46 × 1,868.72
  4. Step 4: Simplify right side
    6,251.29x = 17,525,715.77
  5. Step 5: Solve for x
    x = 17,525,715.77/6,251.29
  6. Step 6: Final answer
    x = 2,803.54

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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.