Home / 5,365.12-7,387.58-4,758.90

Finding the Fourth Proportional to 5,365.12, 7,387.58 and 4,758.90

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Solution

The fourth proportional to 5,365.12, 7,387.58 and 4,758.90 is: 6,552.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,365.12 : 7,387.58 = 4,758.90 : x
  2. Step 2: Convert to fraction form
    5,365.12/7,387.58 = 4,758.90/x
  3. Step 3: Cross multiply
    5,365.12x = 7,387.58 × 4,758.90
  4. Step 4: Simplify right side
    5,365.12x = 35,156,766.36
  5. Step 5: Solve for x
    x = 35,156,766.36/5,365.12
  6. Step 6: Final answer
    x = 6,552.84

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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.