Home / 5,287.02-7,296.08-2,897.05

Finding the Fourth Proportional to 5,287.02, 7,296.08 and 2,897.05

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Solution

The fourth proportional to 5,287.02, 7,296.08 and 2,897.05 is: 3,997.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.02 : 7,296.08 = 2,897.05 : x
  2. Step 2: Convert to fraction form
    5,287.02/7,296.08 = 2,897.05/x
  3. Step 3: Cross multiply
    5,287.02x = 7,296.08 × 2,897.05
  4. Step 4: Simplify right side
    5,287.02x = 21,137,057.60
  5. Step 5: Solve for x
    x = 21,137,057.60/5,287.02
  6. Step 6: Final answer
    x = 3,997.92

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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.