Home / 4,361.72-6,543.18-1,440.32

Finding the Fourth Proportional to 4,361.72, 6,543.18 and 1,440.32

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Solution

The fourth proportional to 4,361.72, 6,543.18 and 1,440.32 is: 2,160.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,361.72 : 6,543.18 = 1,440.32 : x
  2. Step 2: Convert to fraction form
    4,361.72/6,543.18 = 1,440.32/x
  3. Step 3: Cross multiply
    4,361.72x = 6,543.18 × 1,440.32
  4. Step 4: Simplify right side
    4,361.72x = 9,424,273.02
  5. Step 5: Solve for x
    x = 9,424,273.02/4,361.72
  6. Step 6: Final answer
    x = 2,160.68

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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.