Home / 5,300.36-7,315.14-2,942.76

Finding the Fourth Proportional to 5,300.36, 7,315.14 and 2,942.76

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Solution

The fourth proportional to 5,300.36, 7,315.14 and 2,942.76 is: 4,061.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,300.36 : 7,315.14 = 2,942.76 : x
  2. Step 2: Convert to fraction form
    5,300.36/7,315.14 = 2,942.76/x
  3. Step 3: Cross multiply
    5,300.36x = 7,315.14 × 2,942.76
  4. Step 4: Simplify right side
    5,300.36x = 21,526,701.39
  5. Step 5: Solve for x
    x = 21,526,701.39/5,300.36
  6. Step 6: Final answer
    x = 4,061.37

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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.