Home / 7,469.60-11,204.40-6,663.20

Finding the Fourth Proportional to 7,469.60, 11,204.40 and 6,663.20

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Solution

The fourth proportional to 7,469.60, 11,204.40 and 6,663.20 is: 9,994.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,469.60 : 11,204.40 = 6,663.20 : x
  2. Step 2: Convert to fraction form
    7,469.60/11,204.40 = 6,663.20/x
  3. Step 3: Cross multiply
    7,469.60x = 11,204.40 × 6,663.20
  4. Step 4: Simplify right side
    7,469.60x = 74,657,158.08
  5. Step 5: Solve for x
    x = 74,657,158.08/7,469.60
  6. Step 6: Final answer
    x = 9,994.80

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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.