Home / 5,148.68-7,715.46-4,403.90

Finding the Fourth Proportional to 5,148.68, 7,715.46 and 4,403.90

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Solution

The fourth proportional to 5,148.68, 7,715.46 and 4,403.90 is: 6,599.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.68 : 7,715.46 = 4,403.90 : x
  2. Step 2: Convert to fraction form
    5,148.68/7,715.46 = 4,403.90/x
  3. Step 3: Cross multiply
    5,148.68x = 7,715.46 × 4,403.90
  4. Step 4: Simplify right side
    5,148.68x = 33,978,114.29
  5. Step 5: Solve for x
    x = 33,978,114.29/5,148.68
  6. Step 6: Final answer
    x = 6,599.38

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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.