Home / 9,045.50-13,570.20-2,805.39

Finding the Fourth Proportional to 9,045.50, 13,570.20 and 2,805.39

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Solution

The fourth proportional to 9,045.50, 13,570.20 and 2,805.39 is: 4,208.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,045.50 : 13,570.20 = 2,805.39 : x
  2. Step 2: Convert to fraction form
    9,045.50/13,570.20 = 2,805.39/x
  3. Step 3: Cross multiply
    9,045.50x = 13,570.20 × 2,805.39
  4. Step 4: Simplify right side
    9,045.50x = 38,069,703.38
  5. Step 5: Solve for x
    x = 38,069,703.38/9,045.50
  6. Step 6: Final answer
    x = 4,208.69

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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.