Home / 7,242.20-10,858.44-5,055.20

Finding the Fourth Proportional to 7,242.20, 10,858.44 and 5,055.20

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Solution

The fourth proportional to 7,242.20, 10,858.44 and 5,055.20 is: 7,579.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242.20 : 10,858.44 = 5,055.20 : x
  2. Step 2: Convert to fraction form
    7,242.20/10,858.44 = 5,055.20/x
  3. Step 3: Cross multiply
    7,242.20x = 10,858.44 × 5,055.20
  4. Step 4: Simplify right side
    7,242.20x = 54,891,585.89
  5. Step 5: Solve for x
    x = 54,891,585.89/7,242.20
  6. Step 6: Final answer
    x = 7,579.41

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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.