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Finding the Fourth Proportional to 6,322.40, 9,483.60 and 4,248.80

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Solution

The fourth proportional to 6,322.40, 9,483.60 and 4,248.80 is: 6,373.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,322.40 : 9,483.60 = 4,248.80 : x
  2. Step 2: Convert to fraction form
    6,322.40/9,483.60 = 4,248.80/x
  3. Step 3: Cross multiply
    6,322.40x = 9,483.60 × 4,248.80
  4. Step 4: Simplify right side
    6,322.40x = 40,293,919.68
  5. Step 5: Solve for x
    x = 40,293,919.68/6,322.40
  6. Step 6: Final answer
    x = 6,373.20

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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.