Home / 8,537.13-12,805.70-2,381.13

Finding the Fourth Proportional to 8,537.13, 12,805.70 and 2,381.13

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Solution

The fourth proportional to 8,537.13, 12,805.70 and 2,381.13 is: 3,571.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,537.13 : 12,805.70 = 2,381.13 : x
  2. Step 2: Convert to fraction form
    8,537.13/12,805.70 = 2,381.13/x
  3. Step 3: Cross multiply
    8,537.13x = 12,805.70 × 2,381.13
  4. Step 4: Simplify right side
    8,537.13x = 30,492,036.44
  5. Step 5: Solve for x
    x = 30,492,036.44/8,537.13
  6. Step 6: Final answer
    x = 3,571.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.