Home / 4,073.76-5,615.65-3,188.02

Finding the Fourth Proportional to 4,073.76, 5,615.65 and 3,188.02

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Solution

The fourth proportional to 4,073.76, 5,615.65 and 3,188.02 is: 4,394.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,073.76 : 5,615.65 = 3,188.02 : x
  2. Step 2: Convert to fraction form
    4,073.76/5,615.65 = 3,188.02/x
  3. Step 3: Cross multiply
    4,073.76x = 5,615.65 × 3,188.02
  4. Step 4: Simplify right side
    4,073.76x = 17,902,804.51
  5. Step 5: Solve for x
    x = 17,902,804.51/4,073.76
  6. Step 6: Final answer
    x = 4,394.66

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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.