Home / 7,434.67-10,259.76-4,290.79

Finding the Fourth Proportional to 7,434.67, 10,259.76 and 4,290.79

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Solution

The fourth proportional to 7,434.67, 10,259.76 and 4,290.79 is: 5,921.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.67 : 10,259.76 = 4,290.79 : x
  2. Step 2: Convert to fraction form
    7,434.67/10,259.76 = 4,290.79/x
  3. Step 3: Cross multiply
    7,434.67x = 10,259.76 × 4,290.79
  4. Step 4: Simplify right side
    7,434.67x = 44,022,475.61
  5. Step 5: Solve for x
    x = 44,022,475.61/7,434.67
  6. Step 6: Final answer
    x = 5,921.24

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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.