Home / 8,921.50-13,381.23-2,348.19

Finding the Fourth Proportional to 8,921.50, 13,381.23 and 2,348.19

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Solution

The fourth proportional to 8,921.50, 13,381.23 and 2,348.19 is: 3,522.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,921.50 : 13,381.23 = 2,348.19 : x
  2. Step 2: Convert to fraction form
    8,921.50/13,381.23 = 2,348.19/x
  3. Step 3: Cross multiply
    8,921.50x = 13,381.23 × 2,348.19
  4. Step 4: Simplify right side
    8,921.50x = 31,421,670.47
  5. Step 5: Solve for x
    x = 31,421,670.47/8,921.50
  6. Step 6: Final answer
    x = 3,522.02

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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.