Home / 7,284.69-10,930.14-3,125.61

Finding the Fourth Proportional to 7,284.69, 10,930.14 and 3,125.61

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Solution

The fourth proportional to 7,284.69, 10,930.14 and 3,125.61 is: 4,689.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,284.69 : 10,930.14 = 3,125.61 : x
  2. Step 2: Convert to fraction form
    7,284.69/10,930.14 = 3,125.61/x
  3. Step 3: Cross multiply
    7,284.69x = 10,930.14 × 3,125.61
  4. Step 4: Simplify right side
    7,284.69x = 34,163,354.89
  5. Step 5: Solve for x
    x = 34,163,354.89/7,284.69
  6. Step 6: Final answer
    x = 4,689.75

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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.