Home / 8,333.08-12,495.88-3,135.28

Finding the Fourth Proportional to 8,333.08, 12,495.88 and 3,135.28

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Solution

The fourth proportional to 8,333.08, 12,495.88 and 3,135.28 is: 4,701.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333.08 : 12,495.88 = 3,135.28 : x
  2. Step 2: Convert to fraction form
    8,333.08/12,495.88 = 3,135.28/x
  3. Step 3: Cross multiply
    8,333.08x = 12,495.88 × 3,135.28
  4. Step 4: Simplify right side
    8,333.08x = 39,178,082.65
  5. Step 5: Solve for x
    x = 39,178,082.65/8,333.08
  6. Step 6: Final answer
    x = 4,701.51

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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.