Home / 7,276.56-10,900.47-5,708.76

Finding the Fourth Proportional to 7,276.56, 10,900.47 and 5,708.76

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Solution

The fourth proportional to 7,276.56, 10,900.47 and 5,708.76 is: 8,551.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,276.56 : 10,900.47 = 5,708.76 : x
  2. Step 2: Convert to fraction form
    7,276.56/10,900.47 = 5,708.76/x
  3. Step 3: Cross multiply
    7,276.56x = 10,900.47 × 5,708.76
  4. Step 4: Simplify right side
    7,276.56x = 62,228,167.12
  5. Step 5: Solve for x
    x = 62,228,167.12/7,276.56
  6. Step 6: Final answer
    x = 8,551.87

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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.