Home / 4,749-7,125.18-3,448.20

Finding the Fourth Proportional to 4,749, 7,125.18 and 3,448.20

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Solution

The fourth proportional to 4,749, 7,125.18 and 3,448.20 is: 5,173.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749 : 7,125.18 = 3,448.20 : x
  2. Step 2: Convert to fraction form
    4,749/7,125.18 = 3,448.20/x
  3. Step 3: Cross multiply
    4,749x = 7,125.18 × 3,448.20
  4. Step 4: Simplify right side
    4,749x = 24,569,045.68
  5. Step 5: Solve for x
    x = 24,569,045.68/4,749
  6. Step 6: Final answer
    x = 5,173.52

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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.