Home / 4,725.62-7,088.68-1,215.66

Finding the Fourth Proportional to 4,725.62, 7,088.68 and 1,215.66

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Solution

The fourth proportional to 4,725.62, 7,088.68 and 1,215.66 is: 1,823.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,725.62 : 7,088.68 = 1,215.66 : x
  2. Step 2: Convert to fraction form
    4,725.62/7,088.68 = 1,215.66/x
  3. Step 3: Cross multiply
    4,725.62x = 7,088.68 × 1,215.66
  4. Step 4: Simplify right side
    4,725.62x = 8,617,424.73
  5. Step 5: Solve for x
    x = 8,617,424.73/4,725.62
  6. Step 6: Final answer
    x = 1,823.55

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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.