Home / 5,406.93-8,107.14-2,116.10

Finding the Fourth Proportional to 5,406.93, 8,107.14 and 2,116.10

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Solution

The fourth proportional to 5,406.93, 8,107.14 and 2,116.10 is: 3,172.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.93 : 8,107.14 = 2,116.10 : x
  2. Step 2: Convert to fraction form
    5,406.93/8,107.14 = 2,116.10/x
  3. Step 3: Cross multiply
    5,406.93x = 8,107.14 × 2,116.10
  4. Step 4: Simplify right side
    5,406.93x = 17,155,518.95
  5. Step 5: Solve for x
    x = 17,155,518.95/5,406.93
  6. Step 6: Final answer
    x = 3,172.88

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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.