Home / 5,690.08-7,851.09-4,275.28

Finding the Fourth Proportional to 5,690.08, 7,851.09 and 4,275.28

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Solution

The fourth proportional to 5,690.08, 7,851.09 and 4,275.28 is: 5,898.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,690.08 : 7,851.09 = 4,275.28 : x
  2. Step 2: Convert to fraction form
    5,690.08/7,851.09 = 4,275.28/x
  3. Step 3: Cross multiply
    5,690.08x = 7,851.09 × 4,275.28
  4. Step 4: Simplify right side
    5,690.08x = 33,565,608.06
  5. Step 5: Solve for x
    x = 33,565,608.06/5,690.08
  6. Step 6: Final answer
    x = 5,898.97

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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.