Home / 7,024.08-9,691.74-4,190.70

Finding the Fourth Proportional to 7,024.08, 9,691.74 and 4,190.70

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Solution

The fourth proportional to 7,024.08, 9,691.74 and 4,190.70 is: 5,782.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,024.08 : 9,691.74 = 4,190.70 : x
  2. Step 2: Convert to fraction form
    7,024.08/9,691.74 = 4,190.70/x
  3. Step 3: Cross multiply
    7,024.08x = 9,691.74 × 4,190.70
  4. Step 4: Simplify right side
    7,024.08x = 40,615,174.82
  5. Step 5: Solve for x
    x = 40,615,174.82/7,024.08
  6. Step 6: Final answer
    x = 5,782.28

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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.