Home / 7,468.40-11,202.60-4,989.80

Finding the Fourth Proportional to 7,468.40, 11,202.60 and 4,989.80

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Solution

The fourth proportional to 7,468.40, 11,202.60 and 4,989.80 is: 7,484.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,468.40 : 11,202.60 = 4,989.80 : x
  2. Step 2: Convert to fraction form
    7,468.40/11,202.60 = 4,989.80/x
  3. Step 3: Cross multiply
    7,468.40x = 11,202.60 × 4,989.80
  4. Step 4: Simplify right side
    7,468.40x = 55,898,733.48
  5. Step 5: Solve for x
    x = 55,898,733.48/7,468.40
  6. Step 6: Final answer
    x = 7,484.70

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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.