Home / 7,125.39-9,832.37-4,141.19

Finding the Fourth Proportional to 7,125.39, 9,832.37 and 4,141.19

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Solution

The fourth proportional to 7,125.39, 9,832.37 and 4,141.19 is: 5,714.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125.39 : 9,832.37 = 4,141.19 : x
  2. Step 2: Convert to fraction form
    7,125.39/9,832.37 = 4,141.19/x
  3. Step 3: Cross multiply
    7,125.39x = 9,832.37 × 4,141.19
  4. Step 4: Simplify right side
    7,125.39x = 40,717,642.45
  5. Step 5: Solve for x
    x = 40,717,642.45/7,125.39
  6. Step 6: Final answer
    x = 5,714.44

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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.