Home / 7,919.48-10,930.25-4,561.70

Finding the Fourth Proportional to 7,919.48, 10,930.25 and 4,561.70

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Solution

The fourth proportional to 7,919.48, 10,930.25 and 4,561.70 is: 6,295.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.48 : 10,930.25 = 4,561.70 : x
  2. Step 2: Convert to fraction form
    7,919.48/10,930.25 = 4,561.70/x
  3. Step 3: Cross multiply
    7,919.48x = 10,930.25 × 4,561.70
  4. Step 4: Simplify right side
    7,919.48x = 49,860,478.18
  5. Step 5: Solve for x
    x = 49,860,478.18/7,919.48
  6. Step 6: Final answer
    x = 6,295.93

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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.