Home / 9,381.85-14,068.62-2,806.78

Finding the Fourth Proportional to 9,381.85, 14,068.62 and 2,806.78

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Solution

The fourth proportional to 9,381.85, 14,068.62 and 2,806.78 is: 4,208.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,381.85 : 14,068.62 = 2,806.78 : x
  2. Step 2: Convert to fraction form
    9,381.85/14,068.62 = 2,806.78/x
  3. Step 3: Cross multiply
    9,381.85x = 14,068.62 × 2,806.78
  4. Step 4: Simplify right side
    9,381.85x = 39,487,521.24
  5. Step 5: Solve for x
    x = 39,487,521.24/9,381.85
  6. Step 6: Final answer
    x = 4,208.93

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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.