Home / 5,203.40-7,180.83-3,186.77

Finding the Fourth Proportional to 5,203.40, 7,180.83 and 3,186.77

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Solution

The fourth proportional to 5,203.40, 7,180.83 and 3,186.77 is: 4,397.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,203.40 : 7,180.83 = 3,186.77 : x
  2. Step 2: Convert to fraction form
    5,203.40/7,180.83 = 3,186.77/x
  3. Step 3: Cross multiply
    5,203.40x = 7,180.83 × 3,186.77
  4. Step 4: Simplify right side
    5,203.40x = 22,883,617.71
  5. Step 5: Solve for x
    x = 22,883,617.71/5,203.40
  6. Step 6: Final answer
    x = 4,397.82

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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.