Home / 6,605.36-9,909.12-2,223.20

Finding the Fourth Proportional to 6,605.36, 9,909.12 and 2,223.20

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Solution

The fourth proportional to 6,605.36, 9,909.12 and 2,223.20 is: 3,335.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605.36 : 9,909.12 = 2,223.20 : x
  2. Step 2: Convert to fraction form
    6,605.36/9,909.12 = 2,223.20/x
  3. Step 3: Cross multiply
    6,605.36x = 9,909.12 × 2,223.20
  4. Step 4: Simplify right side
    6,605.36x = 22,029,955.58
  5. Step 5: Solve for x
    x = 22,029,955.58/6,605.36
  6. Step 6: Final answer
    x = 3,335.16

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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.