Home / 7,014.42-9,680.49-3,871.26

Finding the Fourth Proportional to 7,014.42, 9,680.49 and 3,871.26

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Solution

The fourth proportional to 7,014.42, 9,680.49 and 3,871.26 is: 5,342.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,014.42 : 9,680.49 = 3,871.26 : x
  2. Step 2: Convert to fraction form
    7,014.42/9,680.49 = 3,871.26/x
  3. Step 3: Cross multiply
    7,014.42x = 9,680.49 × 3,871.26
  4. Step 4: Simplify right side
    7,014.42x = 37,475,693.72
  5. Step 5: Solve for x
    x = 37,475,693.72/7,014.42
  6. Step 6: Final answer
    x = 5,342.66

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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.