Home / 5,410.55-7,472.71-3,639.08

Finding the Fourth Proportional to 5,410.55, 7,472.71 and 3,639.08

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Solution

The fourth proportional to 5,410.55, 7,472.71 and 3,639.08 is: 5,026.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,410.55 : 7,472.71 = 3,639.08 : x
  2. Step 2: Convert to fraction form
    5,410.55/7,472.71 = 3,639.08/x
  3. Step 3: Cross multiply
    5,410.55x = 7,472.71 × 3,639.08
  4. Step 4: Simplify right side
    5,410.55x = 27,193,750.23
  5. Step 5: Solve for x
    x = 27,193,750.23/5,410.55
  6. Step 6: Final answer
    x = 5,026.06

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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.