Home / 5,212.44-7,810.56-2,870.46

Finding the Fourth Proportional to 5,212.44, 7,810.56 and 2,870.46

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Solution

The fourth proportional to 5,212.44, 7,810.56 and 2,870.46 is: 4,301.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.44 : 7,810.56 = 2,870.46 : x
  2. Step 2: Convert to fraction form
    5,212.44/7,810.56 = 2,870.46/x
  3. Step 3: Cross multiply
    5,212.44x = 7,810.56 × 2,870.46
  4. Step 4: Simplify right side
    5,212.44x = 22,419,900.06
  5. Step 5: Solve for x
    x = 22,419,900.06/5,212.44
  6. Step 6: Final answer
    x = 4,301.23

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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.