Home / 4,875.04-7,319.28-4,149.28

Finding the Fourth Proportional to 4,875.04, 7,319.28 and 4,149.28

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Solution

The fourth proportional to 4,875.04, 7,319.28 and 4,149.28 is: 6,229.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,875.04 : 7,319.28 = 4,149.28 : x
  2. Step 2: Convert to fraction form
    4,875.04/7,319.28 = 4,149.28/x
  3. Step 3: Cross multiply
    4,875.04x = 7,319.28 × 4,149.28
  4. Step 4: Simplify right side
    4,875.04x = 30,369,742.12
  5. Step 5: Solve for x
    x = 30,369,742.12/4,875.04
  6. Step 6: Final answer
    x = 6,229.64

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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.