Home / 4,213.83-6,320.75-1,440.53

Finding the Fourth Proportional to 4,213.83, 6,320.75 and 1,440.53

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Solution

The fourth proportional to 4,213.83, 6,320.75 and 1,440.53 is: 2,160.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.83 : 6,320.75 = 1,440.53 : x
  2. Step 2: Convert to fraction form
    4,213.83/6,320.75 = 1,440.53/x
  3. Step 3: Cross multiply
    4,213.83x = 6,320.75 × 1,440.53
  4. Step 4: Simplify right side
    4,213.83x = 9,105,214.89
  5. Step 5: Solve for x
    x = 9,105,214.89/4,213.83
  6. Step 6: Final answer
    x = 2,160.79

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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.