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Finding the Fourth Proportional to 7,888.84, 11,834.70 and 2,695.24

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Solution

The fourth proportional to 7,888.84, 11,834.70 and 2,695.24 is: 4,043.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888.84 : 11,834.70 = 2,695.24 : x
  2. Step 2: Convert to fraction form
    7,888.84/11,834.70 = 2,695.24/x
  3. Step 3: Cross multiply
    7,888.84x = 11,834.70 × 2,695.24
  4. Step 4: Simplify right side
    7,888.84x = 31,897,356.83
  5. Step 5: Solve for x
    x = 31,897,356.83/7,888.84
  6. Step 6: Final answer
    x = 4,043.35

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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.