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Finding the Fourth Proportional to 4,868.16, 7,295.84 and 3,538.40

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Solution

The fourth proportional to 4,868.16, 7,295.84 and 3,538.40 is: 5,302.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.16 : 7,295.84 = 3,538.40 : x
  2. Step 2: Convert to fraction form
    4,868.16/7,295.84 = 3,538.40/x
  3. Step 3: Cross multiply
    4,868.16x = 7,295.84 × 3,538.40
  4. Step 4: Simplify right side
    4,868.16x = 25,815,600.26
  5. Step 5: Solve for x
    x = 25,815,600.26/4,868.16
  6. Step 6: Final answer
    x = 5,302.95

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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.