Home / 7,408.49-10,218.89-4,751.69

Finding the Fourth Proportional to 7,408.49, 10,218.89 and 4,751.69

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Solution

The fourth proportional to 7,408.49, 10,218.89 and 4,751.69 is: 6,554.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.49 : 10,218.89 = 4,751.69 : x
  2. Step 2: Convert to fraction form
    7,408.49/10,218.89 = 4,751.69/x
  3. Step 3: Cross multiply
    7,408.49x = 10,218.89 × 4,751.69
  4. Step 4: Simplify right side
    7,408.49x = 48,556,958.21
  5. Step 5: Solve for x
    x = 48,556,958.21/7,408.49
  6. Step 6: Final answer
    x = 6,554.24

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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.