Home / 7,939.47-10,953.95-4,581.84

Finding the Fourth Proportional to 7,939.47, 10,953.95 and 4,581.84

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Solution

The fourth proportional to 7,939.47, 10,953.95 and 4,581.84 is: 6,321.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.47 : 10,953.95 = 4,581.84 : x
  2. Step 2: Convert to fraction form
    7,939.47/10,953.95 = 4,581.84/x
  3. Step 3: Cross multiply
    7,939.47x = 10,953.95 × 4,581.84
  4. Step 4: Simplify right side
    7,939.47x = 50,189,246.27
  5. Step 5: Solve for x
    x = 50,189,246.27/7,939.47
  6. Step 6: Final answer
    x = 6,321.49

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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.