Home / 7,048.14-9,726.60-3,904.50

Finding the Fourth Proportional to 7,048.14, 9,726.60 and 3,904.50

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Solution

The fourth proportional to 7,048.14, 9,726.60 and 3,904.50 is: 5,388.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048.14 : 9,726.60 = 3,904.50 : x
  2. Step 2: Convert to fraction form
    7,048.14/9,726.60 = 3,904.50/x
  3. Step 3: Cross multiply
    7,048.14x = 9,726.60 × 3,904.50
  4. Step 4: Simplify right side
    7,048.14x = 37,977,509.70
  5. Step 5: Solve for x
    x = 37,977,509.70/7,048.14
  6. Step 6: Final answer
    x = 5,388.30

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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.