Home / 6,239.82-9,332.37-5,430.63

Finding the Fourth Proportional to 6,239.82, 9,332.37 and 5,430.63

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Solution

The fourth proportional to 6,239.82, 9,332.37 and 5,430.63 is: 8,122.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.82 : 9,332.37 = 5,430.63 : x
  2. Step 2: Convert to fraction form
    6,239.82/9,332.37 = 5,430.63/x
  3. Step 3: Cross multiply
    6,239.82x = 9,332.37 × 5,430.63
  4. Step 4: Simplify right side
    6,239.82x = 50,680,648.49
  5. Step 5: Solve for x
    x = 50,680,648.49/6,239.82
  6. Step 6: Final answer
    x = 8,122.13

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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.