Home / 6,712.28-9,271.66-5,109.19

Finding the Fourth Proportional to 6,712.28, 9,271.66 and 5,109.19

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Solution

The fourth proportional to 6,712.28, 9,271.66 and 5,109.19 is: 7,057.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,712.28 : 9,271.66 = 5,109.19 : x
  2. Step 2: Convert to fraction form
    6,712.28/9,271.66 = 5,109.19/x
  3. Step 3: Cross multiply
    6,712.28x = 9,271.66 × 5,109.19
  4. Step 4: Simplify right side
    6,712.28x = 47,370,672.56
  5. Step 5: Solve for x
    x = 47,370,672.56/6,712.28
  6. Step 6: Final answer
    x = 7,057.31

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Half scale
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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.