Home / 4,720.28-6,507.96-3,644.60

Finding the Fourth Proportional to 4,720.28, 6,507.96 and 3,644.60

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Solution

The fourth proportional to 4,720.28, 6,507.96 and 3,644.60 is: 5,024.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.28 : 6,507.96 = 3,644.60 : x
  2. Step 2: Convert to fraction form
    4,720.28/6,507.96 = 3,644.60/x
  3. Step 3: Cross multiply
    4,720.28x = 6,507.96 × 3,644.60
  4. Step 4: Simplify right side
    4,720.28x = 23,718,911.02
  5. Step 5: Solve for x
    x = 23,718,911.02/4,720.28
  6. Step 6: Final answer
    x = 5,024.89

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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.