Home / 5,290.12-7,300.56-3,193.84

Finding the Fourth Proportional to 5,290.12, 7,300.56 and 3,193.84

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Solution

The fourth proportional to 5,290.12, 7,300.56 and 3,193.84 is: 4,407.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290.12 : 7,300.56 = 3,193.84 : x
  2. Step 2: Convert to fraction form
    5,290.12/7,300.56 = 3,193.84/x
  3. Step 3: Cross multiply
    5,290.12x = 7,300.56 × 3,193.84
  4. Step 4: Simplify right side
    5,290.12x = 23,316,820.55
  5. Step 5: Solve for x
    x = 23,316,820.55/5,290.12
  6. Step 6: Final answer
    x = 4,407.62

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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.