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Finding the Fourth Proportional to 6,338.88, 9,510.88 and 2,235.20

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Solution

The fourth proportional to 6,338.88, 9,510.88 and 2,235.20 is: 3,353.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,338.88 : 9,510.88 = 2,235.20 : x
  2. Step 2: Convert to fraction form
    6,338.88/9,510.88 = 2,235.20/x
  3. Step 3: Cross multiply
    6,338.88x = 9,510.88 × 2,235.20
  4. Step 4: Simplify right side
    6,338.88x = 21,258,718.98
  5. Step 5: Solve for x
    x = 21,258,718.98/6,338.88
  6. Step 6: Final answer
    x = 3,353.70

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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.