Home / 4,820.96-6,650.28-3,140.24

Finding the Fourth Proportional to 4,820.96, 6,650.28 and 3,140.24

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Solution

The fourth proportional to 4,820.96, 6,650.28 and 3,140.24 is: 4,331.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,820.96 : 6,650.28 = 3,140.24 : x
  2. Step 2: Convert to fraction form
    4,820.96/6,650.28 = 3,140.24/x
  3. Step 3: Cross multiply
    4,820.96x = 6,650.28 × 3,140.24
  4. Step 4: Simplify right side
    4,820.96x = 20,883,475.27
  5. Step 5: Solve for x
    x = 20,883,475.27/4,820.96
  6. Step 6: Final answer
    x = 4,331.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.