Home / 4,887.09-6,743.61-2,897.28

Finding the Fourth Proportional to 4,887.09, 6,743.61 and 2,897.28

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Solution

The fourth proportional to 4,887.09, 6,743.61 and 2,897.28 is: 3,997.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.09 : 6,743.61 = 2,897.28 : x
  2. Step 2: Convert to fraction form
    4,887.09/6,743.61 = 2,897.28/x
  3. Step 3: Cross multiply
    4,887.09x = 6,743.61 × 2,897.28
  4. Step 4: Simplify right side
    4,887.09x = 19,538,126.38
  5. Step 5: Solve for x
    x = 19,538,126.38/4,887.09
  6. Step 6: Final answer
    x = 3,997.91

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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.