Home / 4,635.02-6,391.53-3,220.31

Finding the Fourth Proportional to 4,635.02, 6,391.53 and 3,220.31

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Solution

The fourth proportional to 4,635.02, 6,391.53 and 3,220.31 is: 4,440.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,635.02 : 6,391.53 = 3,220.31 : x
  2. Step 2: Convert to fraction form
    4,635.02/6,391.53 = 3,220.31/x
  3. Step 3: Cross multiply
    4,635.02x = 6,391.53 × 3,220.31
  4. Step 4: Simplify right side
    4,635.02x = 20,582,707.97
  5. Step 5: Solve for x
    x = 20,582,707.97/4,635.02
  6. Step 6: Final answer
    x = 4,440.69

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Half scale
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Double scale
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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.