Home / 7,924.32-10,936.32-4,780.48

Finding the Fourth Proportional to 7,924.32, 10,936.32 and 4,780.48

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Solution

The fourth proportional to 7,924.32, 10,936.32 and 4,780.48 is: 6,597.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924.32 : 10,936.32 = 4,780.48 : x
  2. Step 2: Convert to fraction form
    7,924.32/10,936.32 = 4,780.48/x
  3. Step 3: Cross multiply
    7,924.32x = 10,936.32 × 4,780.48
  4. Step 4: Simplify right side
    7,924.32x = 52,280,859.03
  5. Step 5: Solve for x
    x = 52,280,859.03/7,924.32
  6. Step 6: Final answer
    x = 6,597.52

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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.