Home / 5,077.35-7,009.77-3,190.53

Finding the Fourth Proportional to 5,077.35, 7,009.77 and 3,190.53

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Solution

The fourth proportional to 5,077.35, 7,009.77 and 3,190.53 is: 4,404.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.35 : 7,009.77 = 3,190.53 : x
  2. Step 2: Convert to fraction form
    5,077.35/7,009.77 = 3,190.53/x
  3. Step 3: Cross multiply
    5,077.35x = 7,009.77 × 3,190.53
  4. Step 4: Simplify right side
    5,077.35x = 22,364,881.48
  5. Step 5: Solve for x
    x = 22,364,881.48/5,077.35
  6. Step 6: Final answer
    x = 4,404.83

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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.