Home / 6,942.48-10,412.28-2,012.40

Finding the Fourth Proportional to 6,942.48, 10,412.28 and 2,012.40

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Solution

The fourth proportional to 6,942.48, 10,412.28 and 2,012.40 is: 3,018.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,942.48 : 10,412.28 = 2,012.40 : x
  2. Step 2: Convert to fraction form
    6,942.48/10,412.28 = 2,012.40/x
  3. Step 3: Cross multiply
    6,942.48x = 10,412.28 × 2,012.40
  4. Step 4: Simplify right side
    6,942.48x = 20,953,672.27
  5. Step 5: Solve for x
    x = 20,953,672.27/6,942.48
  6. Step 6: Final answer
    x = 3,018.18

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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.