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Finding the Fourth Proportional to 6,445.02, 9,665.10 and 2,748.99

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Solution

The fourth proportional to 6,445.02, 9,665.10 and 2,748.99 is: 4,122.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445.02 : 9,665.10 = 2,748.99 : x
  2. Step 2: Convert to fraction form
    6,445.02/9,665.10 = 2,748.99/x
  3. Step 3: Cross multiply
    6,445.02x = 9,665.10 × 2,748.99
  4. Step 4: Simplify right side
    6,445.02x = 26,569,263.25
  5. Step 5: Solve for x
    x = 26,569,263.25/6,445.02
  6. Step 6: Final answer
    x = 4,122.45

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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.