Home / 6,113.28-9,170.40-1,730.78

Finding the Fourth Proportional to 6,113.28, 9,170.40 and 1,730.78

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Solution

The fourth proportional to 6,113.28, 9,170.40 and 1,730.78 is: 2,596.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,113.28 : 9,170.40 = 1,730.78 : x
  2. Step 2: Convert to fraction form
    6,113.28/9,170.40 = 1,730.78/x
  3. Step 3: Cross multiply
    6,113.28x = 9,170.40 × 1,730.78
  4. Step 4: Simplify right side
    6,113.28x = 15,871,944.91
  5. Step 5: Solve for x
    x = 15,871,944.91/6,113.28
  6. Step 6: Final answer
    x = 2,596.31

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Half scale
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Double scale
Find fourth proportional to 6,114.28, 9,171.90 and 1,731.78
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.