Home / 5,485.50-7,570.17-3,001.50

Finding the Fourth Proportional to 5,485.50, 7,570.17 and 3,001.50

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Solution

The fourth proportional to 5,485.50, 7,570.17 and 3,001.50 is: 4,142.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.50 : 7,570.17 = 3,001.50 : x
  2. Step 2: Convert to fraction form
    5,485.50/7,570.17 = 3,001.50/x
  3. Step 3: Cross multiply
    5,485.50x = 7,570.17 × 3,001.50
  4. Step 4: Simplify right side
    5,485.50x = 22,721,865.26
  5. Step 5: Solve for x
    x = 22,721,865.26/5,485.50
  6. Step 6: Final answer
    x = 4,142.17

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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.