Home / 5,074.40-7,615.66-4,912.40

Finding the Fourth Proportional to 5,074.40, 7,615.66 and 4,912.40

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Solution

The fourth proportional to 5,074.40, 7,615.66 and 4,912.40 is: 7,372.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.40 : 7,615.66 = 4,912.40 : x
  2. Step 2: Convert to fraction form
    5,074.40/7,615.66 = 4,912.40/x
  3. Step 3: Cross multiply
    5,074.40x = 7,615.66 × 4,912.40
  4. Step 4: Simplify right side
    5,074.40x = 37,411,168.18
  5. Step 5: Solve for x
    x = 37,411,168.18/5,074.40
  6. Step 6: Final answer
    x = 7,372.53

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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.