Home / 9,847.71-13,590.01-5,371.46

Finding the Fourth Proportional to 9,847.71, 13,590.01 and 5,371.46

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Solution

The fourth proportional to 9,847.71, 13,590.01 and 5,371.46 is: 7,412.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,847.71 : 13,590.01 = 5,371.46 : x
  2. Step 2: Convert to fraction form
    9,847.71/13,590.01 = 5,371.46/x
  3. Step 3: Cross multiply
    9,847.71x = 13,590.01 × 5,371.46
  4. Step 4: Simplify right side
    9,847.71x = 72,998,231.07
  5. Step 5: Solve for x
    x = 72,998,231.07/9,847.71
  6. Step 6: Final answer
    x = 7,412.71

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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.