Home / 7,084.82-10,617.96-2,920.07

Finding the Fourth Proportional to 7,084.82, 10,617.96 and 2,920.07

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Solution

The fourth proportional to 7,084.82, 10,617.96 and 2,920.07 is: 4,376.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,084.82 : 10,617.96 = 2,920.07 : x
  2. Step 2: Convert to fraction form
    7,084.82/10,617.96 = 2,920.07/x
  3. Step 3: Cross multiply
    7,084.82x = 10,617.96 × 2,920.07
  4. Step 4: Simplify right side
    7,084.82x = 31,005,186.46
  5. Step 5: Solve for x
    x = 31,005,186.46/7,084.82
  6. Step 6: Final answer
    x = 4,376.28

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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.