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Finding the Fourth Proportional to 7,259.63, 10,893.38 and 5,619.38

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Solution

The fourth proportional to 7,259.63, 10,893.38 and 5,619.38 is: 8,432.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,259.63 : 10,893.38 = 5,619.38 : x
  2. Step 2: Convert to fraction form
    7,259.63/10,893.38 = 5,619.38/x
  3. Step 3: Cross multiply
    7,259.63x = 10,893.38 × 5,619.38
  4. Step 4: Simplify right side
    7,259.63x = 61,213,959.14
  5. Step 5: Solve for x
    x = 61,213,959.14/7,259.63
  6. Step 6: Final answer
    x = 8,432.11

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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.