Home / 6,311.32-9,467.28-1,869.02

Finding the Fourth Proportional to 6,311.32, 9,467.28 and 1,869.02

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Solution

The fourth proportional to 6,311.32, 9,467.28 and 1,869.02 is: 2,803.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,311.32 : 9,467.28 = 1,869.02 : x
  2. Step 2: Convert to fraction form
    6,311.32/9,467.28 = 1,869.02/x
  3. Step 3: Cross multiply
    6,311.32x = 9,467.28 × 1,869.02
  4. Step 4: Simplify right side
    6,311.32x = 17,694,535.67
  5. Step 5: Solve for x
    x = 17,694,535.67/6,311.32
  6. Step 6: Final answer
    x = 2,803.62

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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.