Home / 7,350.04-10,143.08-3,992.91

Finding the Fourth Proportional to 7,350.04, 10,143.08 and 3,992.91

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Solution

The fourth proportional to 7,350.04, 10,143.08 and 3,992.91 is: 5,510.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,350.04 : 10,143.08 = 3,992.91 : x
  2. Step 2: Convert to fraction form
    7,350.04/10,143.08 = 3,992.91/x
  3. Step 3: Cross multiply
    7,350.04x = 10,143.08 × 3,992.91
  4. Step 4: Simplify right side
    7,350.04x = 40,500,354.85
  5. Step 5: Solve for x
    x = 40,500,354.85/7,350.04
  6. Step 6: Final answer
    x = 5,510.23

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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.