Home / 6,602.20-9,903.30-4,269.40

Finding the Fourth Proportional to 6,602.20, 9,903.30 and 4,269.40

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Solution

The fourth proportional to 6,602.20, 9,903.30 and 4,269.40 is: 6,404.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,602.20 : 9,903.30 = 4,269.40 : x
  2. Step 2: Convert to fraction form
    6,602.20/9,903.30 = 4,269.40/x
  3. Step 3: Cross multiply
    6,602.20x = 9,903.30 × 4,269.40
  4. Step 4: Simplify right side
    6,602.20x = 42,281,149.02
  5. Step 5: Solve for x
    x = 42,281,149.02/6,602.20
  6. Step 6: Final answer
    x = 6,404.10

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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.