Home / 6,937.44-10,405.71-2,988.54

Finding the Fourth Proportional to 6,937.44, 10,405.71 and 2,988.54

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Solution

The fourth proportional to 6,937.44, 10,405.71 and 2,988.54 is: 4,482.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,937.44 : 10,405.71 = 2,988.54 : x
  2. Step 2: Convert to fraction form
    6,937.44/10,405.71 = 2,988.54/x
  3. Step 3: Cross multiply
    6,937.44x = 10,405.71 × 2,988.54
  4. Step 4: Simplify right side
    6,937.44x = 31,097,865.62
  5. Step 5: Solve for x
    x = 31,097,865.62/6,937.44
  6. Step 6: Final answer
    x = 4,482.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.