Home / 5,767.56-8,648.60-2,991.45

Finding the Fourth Proportional to 5,767.56, 8,648.60 and 2,991.45

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Solution

The fourth proportional to 5,767.56, 8,648.60 and 2,991.45 is: 4,485.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,767.56 : 8,648.60 = 2,991.45 : x
  2. Step 2: Convert to fraction form
    5,767.56/8,648.60 = 2,991.45/x
  3. Step 3: Cross multiply
    5,767.56x = 8,648.60 × 2,991.45
  4. Step 4: Simplify right side
    5,767.56x = 25,871,854.47
  5. Step 5: Solve for x
    x = 25,871,854.47/5,767.56
  6. Step 6: Final answer
    x = 4,485.75

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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.