Home / 7,476.23-10,311.88-4,920.89

Finding the Fourth Proportional to 7,476.23, 10,311.88 and 4,920.89

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Solution

The fourth proportional to 7,476.23, 10,311.88 and 4,920.89 is: 6,787.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,476.23 : 10,311.88 = 4,920.89 : x
  2. Step 2: Convert to fraction form
    7,476.23/10,311.88 = 4,920.89/x
  3. Step 3: Cross multiply
    7,476.23x = 10,311.88 × 4,920.89
  4. Step 4: Simplify right side
    7,476.23x = 50,743,627.17
  5. Step 5: Solve for x
    x = 50,743,627.17/7,476.23
  6. Step 6: Final answer
    x = 6,787.33

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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.