Home / 8,830.40-13,245.60-5,545.80

Finding the Fourth Proportional to 8,830.40, 13,245.60 and 5,545.80

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Solution

The fourth proportional to 8,830.40, 13,245.60 and 5,545.80 is: 8,318.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,830.40 : 13,245.60 = 5,545.80 : x
  2. Step 2: Convert to fraction form
    8,830.40/13,245.60 = 5,545.80/x
  3. Step 3: Cross multiply
    8,830.40x = 13,245.60 × 5,545.80
  4. Step 4: Simplify right side
    8,830.40x = 73,457,448.48
  5. Step 5: Solve for x
    x = 73,457,448.48/8,830.40
  6. Step 6: Final answer
    x = 8,318.70

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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.