Home / 7,347.64-11,013.25-3,181.40

Finding the Fourth Proportional to 7,347.64, 11,013.25 and 3,181.40

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Solution

The fourth proportional to 7,347.64, 11,013.25 and 3,181.40 is: 4,768.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.64 : 11,013.25 = 3,181.40 : x
  2. Step 2: Convert to fraction form
    7,347.64/11,013.25 = 3,181.40/x
  3. Step 3: Cross multiply
    7,347.64x = 11,013.25 × 3,181.40
  4. Step 4: Simplify right side
    7,347.64x = 35,037,582.19
  5. Step 5: Solve for x
    x = 35,037,582.19/7,347.64
  6. Step 6: Final answer
    x = 4,768.55

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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.