Home / 7,434.82-11,148.71-4,315.79

Finding the Fourth Proportional to 7,434.82, 11,148.71 and 4,315.79

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Solution

The fourth proportional to 7,434.82, 11,148.71 and 4,315.79 is: 6,471.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.82 : 11,148.71 = 4,315.79 : x
  2. Step 2: Convert to fraction form
    7,434.82/11,148.71 = 4,315.79/x
  3. Step 3: Cross multiply
    7,434.82x = 11,148.71 × 4,315.79
  4. Step 4: Simplify right side
    7,434.82x = 48,115,434.71
  5. Step 5: Solve for x
    x = 48,115,434.71/7,434.82
  6. Step 6: Final answer
    x = 6,471.63

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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.