Home / 5,440.28-8,164.06-1,977.53

Finding the Fourth Proportional to 5,440.28, 8,164.06 and 1,977.53

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Solution

The fourth proportional to 5,440.28, 8,164.06 and 1,977.53 is: 2,967.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.28 : 8,164.06 = 1,977.53 : x
  2. Step 2: Convert to fraction form
    5,440.28/8,164.06 = 1,977.53/x
  3. Step 3: Cross multiply
    5,440.28x = 8,164.06 × 1,977.53
  4. Step 4: Simplify right side
    5,440.28x = 16,144,673.57
  5. Step 5: Solve for x
    x = 16,144,673.57/5,440.28
  6. Step 6: Final answer
    x = 2,967.62

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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.