Home / 7,408.48-10,223.62-4,051.28

Finding the Fourth Proportional to 7,408.48, 10,223.62 and 4,051.28

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Solution

The fourth proportional to 7,408.48, 10,223.62 and 4,051.28 is: 5,590.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.48 : 10,223.62 = 4,051.28 : x
  2. Step 2: Convert to fraction form
    7,408.48/10,223.62 = 4,051.28/x
  3. Step 3: Cross multiply
    7,408.48x = 10,223.62 × 4,051.28
  4. Step 4: Simplify right side
    7,408.48x = 41,418,747.23
  5. Step 5: Solve for x
    x = 41,418,747.23/7,408.48
  6. Step 6: Final answer
    x = 5,590.72

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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.