Home / 7,454.23-10,286.65-4,051.09

Finding the Fourth Proportional to 7,454.23, 10,286.65 and 4,051.09

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Solution

The fourth proportional to 7,454.23, 10,286.65 and 4,051.09 is: 5,590.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.23 : 10,286.65 = 4,051.09 : x
  2. Step 2: Convert to fraction form
    7,454.23/10,286.65 = 4,051.09/x
  3. Step 3: Cross multiply
    7,454.23x = 10,286.65 × 4,051.09
  4. Step 4: Simplify right side
    7,454.23x = 41,672,144.95
  5. Step 5: Solve for x
    x = 41,672,144.95/7,454.23
  6. Step 6: Final answer
    x = 5,590.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.