Home / 7,421.18-10,241.49-4,064.13

Finding the Fourth Proportional to 7,421.18, 10,241.49 and 4,064.13

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Solution

The fourth proportional to 7,421.18, 10,241.49 and 4,064.13 is: 5,608.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.18 : 10,241.49 = 4,064.13 : x
  2. Step 2: Convert to fraction form
    7,421.18/10,241.49 = 4,064.13/x
  3. Step 3: Cross multiply
    7,421.18x = 10,241.49 × 4,064.13
  4. Step 4: Simplify right side
    7,421.18x = 41,622,746.75
  5. Step 5: Solve for x
    x = 41,622,746.75/7,421.18
  6. Step 6: Final answer
    x = 5,608.65

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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.