Home / 7,044.48-9,721.40-3,814.34

Finding the Fourth Proportional to 7,044.48, 9,721.40 and 3,814.34

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Solution

The fourth proportional to 7,044.48, 9,721.40 and 3,814.34 is: 5,263.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,044.48 : 9,721.40 = 3,814.34 : x
  2. Step 2: Convert to fraction form
    7,044.48/9,721.40 = 3,814.34/x
  3. Step 3: Cross multiply
    7,044.48x = 9,721.40 × 3,814.34
  4. Step 4: Simplify right side
    7,044.48x = 37,080,657.20
  5. Step 5: Solve for x
    x = 37,080,657.20/7,044.48
  6. Step 6: Final answer
    x = 5,263.79

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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.