Home / 7,378.32-10,180.17-4,392.84

Finding the Fourth Proportional to 7,378.32, 10,180.17 and 4,392.84

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Solution

The fourth proportional to 7,378.32, 10,180.17 and 4,392.84 is: 6,060.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378.32 : 10,180.17 = 4,392.84 : x
  2. Step 2: Convert to fraction form
    7,378.32/10,180.17 = 4,392.84/x
  3. Step 3: Cross multiply
    7,378.32x = 10,180.17 × 4,392.84
  4. Step 4: Simplify right side
    7,378.32x = 44,719,857.98
  5. Step 5: Solve for x
    x = 44,719,857.98/7,378.32
  6. Step 6: Final answer
    x = 6,060.98

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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.