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Finding the Fourth Proportional to 6,463.68, 8,919.96 and 3,810.93

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Solution

The fourth proportional to 6,463.68, 8,919.96 and 3,810.93 is: 5,259.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,463.68 : 8,919.96 = 3,810.93 : x
  2. Step 2: Convert to fraction form
    6,463.68/8,919.96 = 3,810.93/x
  3. Step 3: Cross multiply
    6,463.68x = 8,919.96 × 3,810.93
  4. Step 4: Simplify right side
    6,463.68x = 33,993,279.51
  5. Step 5: Solve for x
    x = 33,993,279.51/6,463.68
  6. Step 6: Final answer
    x = 5,259.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.