Home / 6,703.55-9,251.31-3,871.45

Finding the Fourth Proportional to 6,703.55, 9,251.31 and 3,871.45

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Solution

The fourth proportional to 6,703.55, 9,251.31 and 3,871.45 is: 5,342.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,703.55 : 9,251.31 = 3,871.45 : x
  2. Step 2: Convert to fraction form
    6,703.55/9,251.31 = 3,871.45/x
  3. Step 3: Cross multiply
    6,703.55x = 9,251.31 × 3,871.45
  4. Step 4: Simplify right side
    6,703.55x = 35,815,984.10
  5. Step 5: Solve for x
    x = 35,815,984.10/6,703.55
  6. Step 6: Final answer
    x = 5,342.84

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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.