Home / 5,101.00-7,646.10-2,905.02

Finding the Fourth Proportional to 5,101.00, 7,646.10 and 2,905.02

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Solution

The fourth proportional to 5,101.00, 7,646.10 and 2,905.02 is: 4,354.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.00 : 7,646.10 = 2,905.02 : x
  2. Step 2: Convert to fraction form
    5,101.00/7,646.10 = 2,905.02/x
  3. Step 3: Cross multiply
    5,101.00x = 7,646.10 × 2,905.02
  4. Step 4: Simplify right side
    5,101.00x = 22,212,062.53
  5. Step 5: Solve for x
    x = 22,212,062.53/5,101.00
  6. Step 6: Final answer
    x = 4,354.45

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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.