Home / 4,711.40-7,054.14-2,760.20

Finding the Fourth Proportional to 4,711.40, 7,054.14 and 2,760.20

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Solution

The fourth proportional to 4,711.40, 7,054.14 and 2,760.20 is: 4,132.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,711.40 : 7,054.14 = 2,760.20 : x
  2. Step 2: Convert to fraction form
    4,711.40/7,054.14 = 2,760.20/x
  3. Step 3: Cross multiply
    4,711.40x = 7,054.14 × 2,760.20
  4. Step 4: Simplify right side
    4,711.40x = 19,470,837.23
  5. Step 5: Solve for x
    x = 19,470,837.23/4,711.40
  6. Step 6: Final answer
    x = 4,132.71

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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.