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Finding the Fourth Proportional to 4,008, 5,535.56 and 3,953.40

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Solution

The fourth proportional to 4,008, 5,535.56 and 3,953.40 is: 5,460.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,008 : 5,535.56 = 3,953.40 : x
  2. Step 2: Convert to fraction form
    4,008/5,535.56 = 3,953.40/x
  3. Step 3: Cross multiply
    4,008x = 5,535.56 × 3,953.40
  4. Step 4: Simplify right side
    4,008x = 21,884,282.90
  5. Step 5: Solve for x
    x = 21,884,282.90/4,008
  6. Step 6: Final answer
    x = 5,460.15

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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.