Home / 6,253.20-9,381.30-1,870.56

Finding the Fourth Proportional to 6,253.20, 9,381.30 and 1,870.56

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Solution

The fourth proportional to 6,253.20, 9,381.30 and 1,870.56 is: 2,806.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,253.20 : 9,381.30 = 1,870.56 : x
  2. Step 2: Convert to fraction form
    6,253.20/9,381.30 = 1,870.56/x
  3. Step 3: Cross multiply
    6,253.20x = 9,381.30 × 1,870.56
  4. Step 4: Simplify right side
    6,253.20x = 17,548,284.53
  5. Step 5: Solve for x
    x = 17,548,284.53/6,253.20
  6. Step 6: Final answer
    x = 2,806.29

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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.