Home / 5,708.37-7,877.40-3,190.51

Finding the Fourth Proportional to 5,708.37, 7,877.40 and 3,190.51

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Solution

The fourth proportional to 5,708.37, 7,877.40 and 3,190.51 is: 4,402.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,708.37 : 7,877.40 = 3,190.51 : x
  2. Step 2: Convert to fraction form
    5,708.37/7,877.40 = 3,190.51/x
  3. Step 3: Cross multiply
    5,708.37x = 7,877.40 × 3,190.51
  4. Step 4: Simplify right side
    5,708.37x = 25,132,961.46
  5. Step 5: Solve for x
    x = 25,132,961.46/5,708.37
  6. Step 6: Final answer
    x = 4,402.82

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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.