Home / 7,639.68-11,440.08-5,034.72

Finding the Fourth Proportional to 7,639.68, 11,440.08 and 5,034.72

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Solution

The fourth proportional to 7,639.68, 11,440.08 and 5,034.72 is: 7,539.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.68 : 11,440.08 = 5,034.72 : x
  2. Step 2: Convert to fraction form
    7,639.68/11,440.08 = 5,034.72/x
  3. Step 3: Cross multiply
    7,639.68x = 11,440.08 × 5,034.72
  4. Step 4: Simplify right side
    7,639.68x = 57,597,599.58
  5. Step 5: Solve for x
    x = 57,597,599.58/7,639.68
  6. Step 6: Final answer
    x = 7,539.27

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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.