Home / 5,670.28-8,502.78-2,160.94

Finding the Fourth Proportional to 5,670.28, 8,502.78 and 2,160.94

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Solution

The fourth proportional to 5,670.28, 8,502.78 and 2,160.94 is: 3,240.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,670.28 : 8,502.78 = 2,160.94 : x
  2. Step 2: Convert to fraction form
    5,670.28/8,502.78 = 2,160.94/x
  3. Step 3: Cross multiply
    5,670.28x = 8,502.78 × 2,160.94
  4. Step 4: Simplify right side
    5,670.28x = 18,373,997.41
  5. Step 5: Solve for x
    x = 18,373,997.41/5,670.28
  6. Step 6: Final answer
    x = 3,240.40

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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.