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Finding the Fourth Proportional to 6,477.59, 9,708.26 and 2,775.49

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Solution

The fourth proportional to 6,477.59, 9,708.26 and 2,775.49 is: 4,159.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,477.59 : 9,708.26 = 2,775.49 : x
  2. Step 2: Convert to fraction form
    6,477.59/9,708.26 = 2,775.49/x
  3. Step 3: Cross multiply
    6,477.59x = 9,708.26 × 2,775.49
  4. Step 4: Simplify right side
    6,477.59x = 26,945,140.40
  5. Step 5: Solve for x
    x = 26,945,140.40/6,477.59
  6. Step 6: Final answer
    x = 4,159.75

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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.