Home / 5,285.44-7,292.03-3,159.49

Finding the Fourth Proportional to 5,285.44, 7,292.03 and 3,159.49

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Solution

The fourth proportional to 5,285.44, 7,292.03 and 3,159.49 is: 4,358.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.44 : 7,292.03 = 3,159.49 : x
  2. Step 2: Convert to fraction form
    5,285.44/7,292.03 = 3,159.49/x
  3. Step 3: Cross multiply
    5,285.44x = 7,292.03 × 3,159.49
  4. Step 4: Simplify right side
    5,285.44x = 23,039,095.86
  5. Step 5: Solve for x
    x = 23,039,095.86/5,285.44
  6. Step 6: Final answer
    x = 4,358.98

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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.