Home / 9,405.04-14,108.88-3,859.20

Finding the Fourth Proportional to 9,405.04, 14,108.88 and 3,859.20

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Solution

The fourth proportional to 9,405.04, 14,108.88 and 3,859.20 is: 5,789.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,405.04 : 14,108.88 = 3,859.20 : x
  2. Step 2: Convert to fraction form
    9,405.04/14,108.88 = 3,859.20/x
  3. Step 3: Cross multiply
    9,405.04x = 14,108.88 × 3,859.20
  4. Step 4: Simplify right side
    9,405.04x = 54,448,989.70
  5. Step 5: Solve for x
    x = 54,448,989.70/9,405.04
  6. Step 6: Final answer
    x = 5,789.34

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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.