Home / 7,479.28-10,320.24-4,334.86

Finding the Fourth Proportional to 7,479.28, 10,320.24 and 4,334.86

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Solution

The fourth proportional to 7,479.28, 10,320.24 and 4,334.86 is: 5,981.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479.28 : 10,320.24 = 4,334.86 : x
  2. Step 2: Convert to fraction form
    7,479.28/10,320.24 = 4,334.86/x
  3. Step 3: Cross multiply
    7,479.28x = 10,320.24 × 4,334.86
  4. Step 4: Simplify right side
    7,479.28x = 44,736,795.57
  5. Step 5: Solve for x
    x = 44,736,795.57/7,479.28
  6. Step 6: Final answer
    x = 5,981.43

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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.