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Finding the Fourth Proportional to 4,411.68, 6,643.94 and 4,018.02

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Solution

The fourth proportional to 4,411.68, 6,643.94 and 4,018.02 is: 6,051.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,411.68 : 6,643.94 = 4,018.02 : x
  2. Step 2: Convert to fraction form
    4,411.68/6,643.94 = 4,018.02/x
  3. Step 3: Cross multiply
    4,411.68x = 6,643.94 × 4,018.02
  4. Step 4: Simplify right side
    4,411.68x = 26,695,463.71
  5. Step 5: Solve for x
    x = 26,695,463.71/4,411.68
  6. Step 6: Final answer
    x = 6,051.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.