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Finding the Fourth Proportional to 6,461.78, 9,692.67 and 1,844.78

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Solution

The fourth proportional to 6,461.78, 9,692.67 and 1,844.78 is: 2,767.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,461.78 : 9,692.67 = 1,844.78 : x
  2. Step 2: Convert to fraction form
    6,461.78/9,692.67 = 1,844.78/x
  3. Step 3: Cross multiply
    6,461.78x = 9,692.67 × 1,844.78
  4. Step 4: Simplify right side
    6,461.78x = 17,880,831.65
  5. Step 5: Solve for x
    x = 17,880,831.65/6,461.78
  6. Step 6: Final answer
    x = 2,767.17

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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.