Home / 7,919.47-10,930.02-4,561.63

Finding the Fourth Proportional to 7,919.47, 10,930.02 and 4,561.63

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Solution

The fourth proportional to 7,919.47, 10,930.02 and 4,561.63 is: 6,295.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.47 : 10,930.02 = 4,561.63 : x
  2. Step 2: Convert to fraction form
    7,919.47/10,930.02 = 4,561.63/x
  3. Step 3: Cross multiply
    7,919.47x = 10,930.02 × 4,561.63
  4. Step 4: Simplify right side
    7,919.47x = 49,858,707.13
  5. Step 5: Solve for x
    x = 49,858,707.13/7,919.47
  6. Step 6: Final answer
    x = 6,295.71

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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.