Home / 7,117.46-10,678.90-3,224.60

Finding the Fourth Proportional to 7,117.46, 10,678.90 and 3,224.60

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Solution

The fourth proportional to 7,117.46, 10,678.90 and 3,224.60 is: 4,838.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.46 : 10,678.90 = 3,224.60 : x
  2. Step 2: Convert to fraction form
    7,117.46/10,678.90 = 3,224.60/x
  3. Step 3: Cross multiply
    7,117.46x = 10,678.90 × 3,224.60
  4. Step 4: Simplify right side
    7,117.46x = 34,435,180.94
  5. Step 5: Solve for x
    x = 34,435,180.94/7,117.46
  6. Step 6: Final answer
    x = 4,838.13

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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.