Home / 4,200.16-6,295.56-1,424.20

Finding the Fourth Proportional to 4,200.16, 6,295.56 and 1,424.20

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Solution

The fourth proportional to 4,200.16, 6,295.56 and 1,424.20 is: 2,134.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.16 : 6,295.56 = 1,424.20 : x
  2. Step 2: Convert to fraction form
    4,200.16/6,295.56 = 1,424.20/x
  3. Step 3: Cross multiply
    4,200.16x = 6,295.56 × 1,424.20
  4. Step 4: Simplify right side
    4,200.16x = 8,966,136.55
  5. Step 5: Solve for x
    x = 8,966,136.55/4,200.16
  6. Step 6: Final answer
    x = 2,134.71

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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.