Home / 7,479.76-10,318.70-4,334.26

Finding the Fourth Proportional to 7,479.76, 10,318.70 and 4,334.26

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Solution

The fourth proportional to 7,479.76, 10,318.70 and 4,334.26 is: 5,979.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479.76 : 10,318.70 = 4,334.26 : x
  2. Step 2: Convert to fraction form
    7,479.76/10,318.70 = 4,334.26/x
  3. Step 3: Cross multiply
    7,479.76x = 10,318.70 × 4,334.26
  4. Step 4: Simplify right side
    7,479.76x = 44,723,928.66
  5. Step 5: Solve for x
    x = 44,723,928.66/7,479.76
  6. Step 6: Final answer
    x = 5,979.33

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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.