Home / 5,173.76-7,767.36-5,154.56

Finding the Fourth Proportional to 5,173.76, 7,767.36 and 5,154.56

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Solution

The fourth proportional to 5,173.76, 7,767.36 and 5,154.56 is: 7,738.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.76 : 7,767.36 = 5,154.56 : x
  2. Step 2: Convert to fraction form
    5,173.76/7,767.36 = 5,154.56/x
  3. Step 3: Cross multiply
    5,173.76x = 7,767.36 × 5,154.56
  4. Step 4: Simplify right side
    5,173.76x = 40,037,323.16
  5. Step 5: Solve for x
    x = 40,037,323.16/5,173.76
  6. Step 6: Final answer
    x = 7,738.54

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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.