Home / 7,421.24-10,243.60-4,279.52

Finding the Fourth Proportional to 7,421.24, 10,243.60 and 4,279.52

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Solution

The fourth proportional to 7,421.24, 10,243.60 and 4,279.52 is: 5,907.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.24 : 10,243.60 = 4,279.52 : x
  2. Step 2: Convert to fraction form
    7,421.24/10,243.60 = 4,279.52/x
  3. Step 3: Cross multiply
    7,421.24x = 10,243.60 × 4,279.52
  4. Step 4: Simplify right side
    7,421.24x = 43,837,691.07
  5. Step 5: Solve for x
    x = 43,837,691.07/7,421.24
  6. Step 6: Final answer
    x = 5,907.06

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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.