Home / 5,287.07-7,295.62-2,928.77

Finding the Fourth Proportional to 5,287.07, 7,295.62 and 2,928.77

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Solution

The fourth proportional to 5,287.07, 7,295.62 and 2,928.77 is: 4,041.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.07 : 7,295.62 = 2,928.77 : x
  2. Step 2: Convert to fraction form
    5,287.07/7,295.62 = 2,928.77/x
  3. Step 3: Cross multiply
    5,287.07x = 7,295.62 × 2,928.77
  4. Step 4: Simplify right side
    5,287.07x = 21,367,192.99
  5. Step 5: Solve for x
    x = 21,367,192.99/5,287.07
  6. Step 6: Final answer
    x = 4,041.41

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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.