Home / 5,287.37-7,296.80-2,929.50

Finding the Fourth Proportional to 5,287.37, 7,296.80 and 2,929.50

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Solution

The fourth proportional to 5,287.37, 7,296.80 and 2,929.50 is: 4,042.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.37 : 7,296.80 = 2,929.50 : x
  2. Step 2: Convert to fraction form
    5,287.37/7,296.80 = 2,929.50/x
  3. Step 3: Cross multiply
    5,287.37x = 7,296.80 × 2,929.50
  4. Step 4: Simplify right side
    5,287.37x = 21,375,960.95
  5. Step 5: Solve for x
    x = 21,375,960.95/5,287.37
  6. Step 6: Final answer
    x = 4,042.84

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1.5x scale

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.