Home / 7,449.19-11,161.48-5,253.31

Finding the Fourth Proportional to 7,449.19, 11,161.48 and 5,253.31

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Solution

The fourth proportional to 7,449.19, 11,161.48 and 5,253.31 is: 7,871.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.19 : 11,161.48 = 5,253.31 : x
  2. Step 2: Convert to fraction form
    7,449.19/11,161.48 = 5,253.31/x
  3. Step 3: Cross multiply
    7,449.19x = 11,161.48 × 5,253.31
  4. Step 4: Simplify right side
    7,449.19x = 58,634,714.50
  5. Step 5: Solve for x
    x = 58,634,714.50/7,449.19
  6. Step 6: Final answer
    x = 7,871.29

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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.