Home / 7,487.65-11,228.23-3,976.90

Finding the Fourth Proportional to 7,487.65, 11,228.23 and 3,976.90

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Solution

The fourth proportional to 7,487.65, 11,228.23 and 3,976.90 is: 5,963.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.65 : 11,228.23 = 3,976.90 : x
  2. Step 2: Convert to fraction form
    7,487.65/11,228.23 = 3,976.90/x
  3. Step 3: Cross multiply
    7,487.65x = 11,228.23 × 3,976.90
  4. Step 4: Simplify right side
    7,487.65x = 44,653,547.89
  5. Step 5: Solve for x
    x = 44,653,547.89/7,487.65
  6. Step 6: Final answer
    x = 5,963.63

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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.