Home / 6,148.60-9,221.10-2,199.40

Finding the Fourth Proportional to 6,148.60, 9,221.10 and 2,199.40

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Solution

The fourth proportional to 6,148.60, 9,221.10 and 2,199.40 is: 3,298.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,148.60 : 9,221.10 = 2,199.40 : x
  2. Step 2: Convert to fraction form
    6,148.60/9,221.10 = 2,199.40/x
  3. Step 3: Cross multiply
    6,148.60x = 9,221.10 × 2,199.40
  4. Step 4: Simplify right side
    6,148.60x = 20,280,887.34
  5. Step 5: Solve for x
    x = 20,280,887.34/6,148.60
  6. Step 6: Final answer
    x = 3,298.46

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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.