Home / 5,339.24-8,009.80-2,007.20

Finding the Fourth Proportional to 5,339.24, 8,009.80 and 2,007.20

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Solution

The fourth proportional to 5,339.24, 8,009.80 and 2,007.20 is: 3,011.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339.24 : 8,009.80 = 2,007.20 : x
  2. Step 2: Convert to fraction form
    5,339.24/8,009.80 = 2,007.20/x
  3. Step 3: Cross multiply
    5,339.24x = 8,009.80 × 2,007.20
  4. Step 4: Simplify right side
    5,339.24x = 16,077,270.56
  5. Step 5: Solve for x
    x = 16,077,270.56/5,339.24
  6. Step 6: Final answer
    x = 3,011.15

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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.