Home / 9,099.60-13,658.20-4,720.08

Finding the Fourth Proportional to 9,099.60, 13,658.20 and 4,720.08

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Solution

The fourth proportional to 9,099.60, 13,658.20 and 4,720.08 is: 7,084.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,099.60 : 13,658.20 = 4,720.08 : x
  2. Step 2: Convert to fraction form
    9,099.60/13,658.20 = 4,720.08/x
  3. Step 3: Cross multiply
    9,099.60x = 13,658.20 × 4,720.08
  4. Step 4: Simplify right side
    9,099.60x = 64,467,796.66
  5. Step 5: Solve for x
    x = 64,467,796.66/9,099.60
  6. Step 6: Final answer
    x = 7,084.68

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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.