Home / 5,913.12-8,869.72-2,625.32

Finding the Fourth Proportional to 5,913.12, 8,869.72 and 2,625.32

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Solution

The fourth proportional to 5,913.12, 8,869.72 and 2,625.32 is: 3,938.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.12 : 8,869.72 = 2,625.32 : x
  2. Step 2: Convert to fraction form
    5,913.12/8,869.72 = 2,625.32/x
  3. Step 3: Cross multiply
    5,913.12x = 8,869.72 × 2,625.32
  4. Step 4: Simplify right side
    5,913.12x = 23,285,853.31
  5. Step 5: Solve for x
    x = 23,285,853.31/5,913.12
  6. Step 6: Final answer
    x = 3,938.00

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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.