Home / 7,538.04-10,401.69-4,179.96

Finding the Fourth Proportional to 7,538.04, 10,401.69 and 4,179.96

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Solution

The fourth proportional to 7,538.04, 10,401.69 and 4,179.96 is: 5,767.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.04 : 10,401.69 = 4,179.96 : x
  2. Step 2: Convert to fraction form
    7,538.04/10,401.69 = 4,179.96/x
  3. Step 3: Cross multiply
    7,538.04x = 10,401.69 × 4,179.96
  4. Step 4: Simplify right side
    7,538.04x = 43,478,648.13
  5. Step 5: Solve for x
    x = 43,478,648.13/7,538.04
  6. Step 6: Final answer
    x = 5,767.90

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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.