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Finding the Fourth Proportional to 6,602.90, 9,904.35 and 2,901.20

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Solution

The fourth proportional to 6,602.90, 9,904.35 and 2,901.20 is: 4,351.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,602.90 : 9,904.35 = 2,901.20 : x
  2. Step 2: Convert to fraction form
    6,602.90/9,904.35 = 2,901.20/x
  3. Step 3: Cross multiply
    6,602.90x = 9,904.35 × 2,901.20
  4. Step 4: Simplify right side
    6,602.90x = 28,734,500.22
  5. Step 5: Solve for x
    x = 28,734,500.22/6,602.90
  6. Step 6: Final answer
    x = 4,351.80

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Similar ratio
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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.