Home / 7,639.67-11,460.61-2,897.58

Finding the Fourth Proportional to 7,639.67, 11,460.61 and 2,897.58

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Solution

The fourth proportional to 7,639.67, 11,460.61 and 2,897.58 is: 4,346.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.67 : 11,460.61 = 2,897.58 : x
  2. Step 2: Convert to fraction form
    7,639.67/11,460.61 = 2,897.58/x
  3. Step 3: Cross multiply
    7,639.67x = 11,460.61 × 2,897.58
  4. Step 4: Simplify right side
    7,639.67x = 33,208,034.32
  5. Step 5: Solve for x
    x = 33,208,034.32/7,639.67
  6. Step 6: Final answer
    x = 4,346.79

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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.