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Finding the Fourth Proportional to 7,093.80, 10,640.70 and 2,475.72

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Solution

The fourth proportional to 7,093.80, 10,640.70 and 2,475.72 is: 3,713.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,093.80 : 10,640.70 = 2,475.72 : x
  2. Step 2: Convert to fraction form
    7,093.80/10,640.70 = 2,475.72/x
  3. Step 3: Cross multiply
    7,093.80x = 10,640.70 × 2,475.72
  4. Step 4: Simplify right side
    7,093.80x = 26,343,393.80
  5. Step 5: Solve for x
    x = 26,343,393.80/7,093.80
  6. Step 6: Final answer
    x = 3,713.58

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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.