Home / 6,319.28-9,467.57-3,720.80

Finding the Fourth Proportional to 6,319.28, 9,467.57 and 3,720.80

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Solution

The fourth proportional to 6,319.28, 9,467.57 and 3,720.80 is: 5,574.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319.28 : 9,467.57 = 3,720.80 : x
  2. Step 2: Convert to fraction form
    6,319.28/9,467.57 = 3,720.80/x
  3. Step 3: Cross multiply
    6,319.28x = 9,467.57 × 3,720.80
  4. Step 4: Simplify right side
    6,319.28x = 35,226,934.46
  5. Step 5: Solve for x
    x = 35,226,934.46/6,319.28
  6. Step 6: Final answer
    x = 5,574.52

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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.