Home / 5,499.60-8,225.40-4,918.80

Finding the Fourth Proportional to 5,499.60, 8,225.40 and 4,918.80

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Solution

The fourth proportional to 5,499.60, 8,225.40 and 4,918.80 is: 7,356.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,499.60 : 8,225.40 = 4,918.80 : x
  2. Step 2: Convert to fraction form
    5,499.60/8,225.40 = 4,918.80/x
  3. Step 3: Cross multiply
    5,499.60x = 8,225.40 × 4,918.80
  4. Step 4: Simplify right side
    5,499.60x = 40,459,097.52
  5. Step 5: Solve for x
    x = 40,459,097.52/5,499.60
  6. Step 6: Final answer
    x = 7,356.73

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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.