Home / 7,287.24-10,055.70-4,492.20

Finding the Fourth Proportional to 7,287.24, 10,055.70 and 4,492.20

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Solution

The fourth proportional to 7,287.24, 10,055.70 and 4,492.20 is: 6,198.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.24 : 10,055.70 = 4,492.20 : x
  2. Step 2: Convert to fraction form
    7,287.24/10,055.70 = 4,492.20/x
  3. Step 3: Cross multiply
    7,287.24x = 10,055.70 × 4,492.20
  4. Step 4: Simplify right side
    7,287.24x = 45,172,215.54
  5. Step 5: Solve for x
    x = 45,172,215.54/7,287.24
  6. Step 6: Final answer
    x = 6,198.81

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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.