Home / 4,491.86-6,735.56-1,569.78

Finding the Fourth Proportional to 4,491.86, 6,735.56 and 1,569.78

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Solution

The fourth proportional to 4,491.86, 6,735.56 and 1,569.78 is: 2,353.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,491.86 : 6,735.56 = 1,569.78 : x
  2. Step 2: Convert to fraction form
    4,491.86/6,735.56 = 1,569.78/x
  3. Step 3: Cross multiply
    4,491.86x = 6,735.56 × 1,569.78
  4. Step 4: Simplify right side
    4,491.86x = 10,573,339.53
  5. Step 5: Solve for x
    x = 10,573,339.53/4,491.86
  6. Step 6: Final answer
    x = 2,353.89

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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.