Home / 7,554.35-11,329.82-2,872.70

Finding the Fourth Proportional to 7,554.35, 11,329.82 and 2,872.70

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Solution

The fourth proportional to 7,554.35, 11,329.82 and 2,872.70 is: 4,308.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,554.35 : 11,329.82 = 2,872.70 : x
  2. Step 2: Convert to fraction form
    7,554.35/11,329.82 = 2,872.70/x
  3. Step 3: Cross multiply
    7,554.35x = 11,329.82 × 2,872.70
  4. Step 4: Simplify right side
    7,554.35x = 32,547,124.45
  5. Step 5: Solve for x
    x = 32,547,124.45/7,554.35
  6. Step 6: Final answer
    x = 4,308.39

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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.