Home / 5,372.11-7,411.69-3,486.05

Finding the Fourth Proportional to 5,372.11, 7,411.69 and 3,486.05

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Solution

The fourth proportional to 5,372.11, 7,411.69 and 3,486.05 is: 4,809.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.11 : 7,411.69 = 3,486.05 : x
  2. Step 2: Convert to fraction form
    5,372.11/7,411.69 = 3,486.05/x
  3. Step 3: Cross multiply
    5,372.11x = 7,411.69 × 3,486.05
  4. Step 4: Simplify right side
    5,372.11x = 25,837,521.92
  5. Step 5: Solve for x
    x = 25,837,521.92/5,372.11
  6. Step 6: Final answer
    x = 4,809.57

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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.