Home / 9,021.08-12,449.48-5,042.20

Finding the Fourth Proportional to 9,021.08, 12,449.48 and 5,042.20

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Solution

The fourth proportional to 9,021.08, 12,449.48 and 5,042.20 is: 6,958.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.08 : 12,449.48 = 5,042.20 : x
  2. Step 2: Convert to fraction form
    9,021.08/12,449.48 = 5,042.20/x
  3. Step 3: Cross multiply
    9,021.08x = 12,449.48 × 5,042.20
  4. Step 4: Simplify right side
    9,021.08x = 62,772,768.06
  5. Step 5: Solve for x
    x = 62,772,768.06/9,021.08
  6. Step 6: Final answer
    x = 6,958.45

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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.