Home / 5,101.23-7,639.53-2,903.30

Finding the Fourth Proportional to 5,101.23, 7,639.53 and 2,903.30

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Solution

The fourth proportional to 5,101.23, 7,639.53 and 2,903.30 is: 4,347.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.23 : 7,639.53 = 2,903.30 : x
  2. Step 2: Convert to fraction form
    5,101.23/7,639.53 = 2,903.30/x
  3. Step 3: Cross multiply
    5,101.23x = 7,639.53 × 2,903.30
  4. Step 4: Simplify right side
    5,101.23x = 22,179,809.25
  5. Step 5: Solve for x
    x = 22,179,809.25/5,101.23
  6. Step 6: Final answer
    x = 4,347.93

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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.