Home / 5,434.22-8,151.23-1,971.47

Finding the Fourth Proportional to 5,434.22, 8,151.23 and 1,971.47

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Solution

The fourth proportional to 5,434.22, 8,151.23 and 1,971.47 is: 2,957.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.22 : 8,151.23 = 1,971.47 : x
  2. Step 2: Convert to fraction form
    5,434.22/8,151.23 = 1,971.47/x
  3. Step 3: Cross multiply
    5,434.22x = 8,151.23 × 1,971.47
  4. Step 4: Simplify right side
    5,434.22x = 16,069,930.71
  5. Step 5: Solve for x
    x = 16,069,930.71/5,434.22
  6. Step 6: Final answer
    x = 2,957.17

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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.