Home / 7,434.20-10,259.26-4,290.36

Finding the Fourth Proportional to 7,434.20, 10,259.26 and 4,290.36

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Solution

The fourth proportional to 7,434.20, 10,259.26 and 4,290.36 is: 5,920.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.20 : 10,259.26 = 4,290.36 : x
  2. Step 2: Convert to fraction form
    7,434.20/10,259.26 = 4,290.36/x
  3. Step 3: Cross multiply
    7,434.20x = 10,259.26 × 4,290.36
  4. Step 4: Simplify right side
    7,434.20x = 44,015,918.73
  5. Step 5: Solve for x
    x = 44,015,918.73/7,434.20
  6. Step 6: Final answer
    x = 5,920.73

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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.