Home / 10,335.78-14,263.52-5,620.05

Finding the Fourth Proportional to 10,335.78, 14,263.52 and 5,620.05

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Solution

The fourth proportional to 10,335.78, 14,263.52 and 5,620.05 is: 7,755.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,335.78 : 14,263.52 = 5,620.05 : x
  2. Step 2: Convert to fraction form
    10,335.78/14,263.52 = 5,620.05/x
  3. Step 3: Cross multiply
    10,335.78x = 14,263.52 × 5,620.05
  4. Step 4: Simplify right side
    10,335.78x = 80,161,667.48
  5. Step 5: Solve for x
    x = 80,161,667.48/10,335.78
  6. Step 6: Final answer
    x = 7,755.74

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.