Home / 7,083.28-10,622.48-3,389.68

Finding the Fourth Proportional to 7,083.28, 10,622.48 and 3,389.68

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Solution

The fourth proportional to 7,083.28, 10,622.48 and 3,389.68 is: 5,083.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,083.28 : 10,622.48 = 3,389.68 : x
  2. Step 2: Convert to fraction form
    7,083.28/10,622.48 = 3,389.68/x
  3. Step 3: Cross multiply
    7,083.28x = 10,622.48 × 3,389.68
  4. Step 4: Simplify right side
    7,083.28x = 36,006,808.01
  5. Step 5: Solve for x
    x = 36,006,808.01/7,083.28
  6. Step 6: Final answer
    x = 5,083.35

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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.