Home / 7,816.48-11,704.04-5,479.36

Finding the Fourth Proportional to 7,816.48, 11,704.04 and 5,479.36

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Solution

The fourth proportional to 7,816.48, 11,704.04 and 5,479.36 is: 8,204.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.48 : 11,704.04 = 5,479.36 : x
  2. Step 2: Convert to fraction form
    7,816.48/11,704.04 = 5,479.36/x
  3. Step 3: Cross multiply
    7,816.48x = 11,704.04 × 5,479.36
  4. Step 4: Simplify right side
    7,816.48x = 64,130,648.61
  5. Step 5: Solve for x
    x = 64,130,648.61/7,816.48
  6. Step 6: Final answer
    x = 8,204.54

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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.