Home / 4,062.56-5,606.76-2,803.20

Finding the Fourth Proportional to 4,062.56, 5,606.76 and 2,803.20

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Solution

The fourth proportional to 4,062.56, 5,606.76 and 2,803.20 is: 3,868.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,062.56 : 5,606.76 = 2,803.20 : x
  2. Step 2: Convert to fraction form
    4,062.56/5,606.76 = 2,803.20/x
  3. Step 3: Cross multiply
    4,062.56x = 5,606.76 × 2,803.20
  4. Step 4: Simplify right side
    4,062.56x = 15,716,869.63
  5. Step 5: Solve for x
    x = 15,716,869.63/4,062.56
  6. Step 6: Final answer
    x = 3,868.71

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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.