Home / 6,947.51-10,421.33-1,753.38

Finding the Fourth Proportional to 6,947.51, 10,421.33 and 1,753.38

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Solution

The fourth proportional to 6,947.51, 10,421.33 and 1,753.38 is: 2,630.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,947.51 : 10,421.33 = 1,753.38 : x
  2. Step 2: Convert to fraction form
    6,947.51/10,421.33 = 1,753.38/x
  3. Step 3: Cross multiply
    6,947.51x = 10,421.33 × 1,753.38
  4. Step 4: Simplify right side
    6,947.51x = 18,272,542.83
  5. Step 5: Solve for x
    x = 18,272,542.83/6,947.51
  6. Step 6: Final answer
    x = 2,630.09

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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.