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Finding the Fourth Proportional to 5,284.89, 7,927.16 and 2,512.89

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Solution

The fourth proportional to 5,284.89, 7,927.16 and 2,512.89 is: 3,769.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.89 : 7,927.16 = 2,512.89 : x
  2. Step 2: Convert to fraction form
    5,284.89/7,927.16 = 2,512.89/x
  3. Step 3: Cross multiply
    5,284.89x = 7,927.16 × 2,512.89
  4. Step 4: Simplify right side
    5,284.89x = 19,920,068.53
  5. Step 5: Solve for x
    x = 19,920,068.53/5,284.89
  6. Step 6: Final answer
    x = 3,769.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.