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Finding the Fourth Proportional to 6,256.32, 9,338.32 and 5,518.40

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Solution

The fourth proportional to 6,256.32, 9,338.32 and 5,518.40 is: 8,236.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,256.32 : 9,338.32 = 5,518.40 : x
  2. Step 2: Convert to fraction form
    6,256.32/9,338.32 = 5,518.40/x
  3. Step 3: Cross multiply
    6,256.32x = 9,338.32 × 5,518.40
  4. Step 4: Simplify right side
    6,256.32x = 51,532,585.09
  5. Step 5: Solve for x
    x = 51,532,585.09/6,256.32
  6. Step 6: Final answer
    x = 8,236.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.