Home / 7,042.20-9,717.57-4,209.01

Finding the Fourth Proportional to 7,042.20, 9,717.57 and 4,209.01

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Solution

The fourth proportional to 7,042.20, 9,717.57 and 4,209.01 is: 5,808.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042.20 : 9,717.57 = 4,209.01 : x
  2. Step 2: Convert to fraction form
    7,042.20/9,717.57 = 4,209.01/x
  3. Step 3: Cross multiply
    7,042.20x = 9,717.57 × 4,209.01
  4. Step 4: Simplify right side
    7,042.20x = 40,901,279.67
  5. Step 5: Solve for x
    x = 40,901,279.67/7,042.20
  6. Step 6: Final answer
    x = 5,808.03

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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.