Home / 5,470.10-8,205.74-2,007.35

Finding the Fourth Proportional to 5,470.10, 8,205.74 and 2,007.35

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Solution

The fourth proportional to 5,470.10, 8,205.74 and 2,007.35 is: 3,011.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.10 : 8,205.74 = 2,007.35 : x
  2. Step 2: Convert to fraction form
    5,470.10/8,205.74 = 2,007.35/x
  3. Step 3: Cross multiply
    5,470.10x = 8,205.74 × 2,007.35
  4. Step 4: Simplify right side
    5,470.10x = 16,471,741.12
  5. Step 5: Solve for x
    x = 16,471,741.12/5,470.10
  6. Step 6: Final answer
    x = 3,011.23

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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.