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Finding the Fourth Proportional to 6,505.56, 9,746.10 and 3,214.80

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Solution

The fourth proportional to 6,505.56, 9,746.10 and 3,214.80 is: 4,816.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,505.56 : 9,746.10 = 3,214.80 : x
  2. Step 2: Convert to fraction form
    6,505.56/9,746.10 = 3,214.80/x
  3. Step 3: Cross multiply
    6,505.56x = 9,746.10 × 3,214.80
  4. Step 4: Simplify right side
    6,505.56x = 31,331,762.28
  5. Step 5: Solve for x
    x = 31,331,762.28/6,505.56
  6. Step 6: Final answer
    x = 4,816.15

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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.