Home / 5,426.25-7,488.60-3,068.40

Finding the Fourth Proportional to 5,426.25, 7,488.60 and 3,068.40

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Solution

The fourth proportional to 5,426.25, 7,488.60 and 3,068.40 is: 4,234.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.25 : 7,488.60 = 3,068.40 : x
  2. Step 2: Convert to fraction form
    5,426.25/7,488.60 = 3,068.40/x
  3. Step 3: Cross multiply
    5,426.25x = 7,488.60 × 3,068.40
  4. Step 4: Simplify right side
    5,426.25x = 22,978,020.24
  5. Step 5: Solve for x
    x = 22,978,020.24/5,426.25
  6. Step 6: Final answer
    x = 4,234.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.