Home / 7,017.46-9,684.11-3,873.65

Finding the Fourth Proportional to 7,017.46, 9,684.11 and 3,873.65

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Solution

The fourth proportional to 7,017.46, 9,684.11 and 3,873.65 is: 5,345.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,017.46 : 9,684.11 = 3,873.65 : x
  2. Step 2: Convert to fraction form
    7,017.46/9,684.11 = 3,873.65/x
  3. Step 3: Cross multiply
    7,017.46x = 9,684.11 × 3,873.65
  4. Step 4: Simplify right side
    7,017.46x = 37,512,852.70
  5. Step 5: Solve for x
    x = 37,512,852.70/7,017.46
  6. Step 6: Final answer
    x = 5,345.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.