Home / 4,455.66-6,142.40-3,125.24

Finding the Fourth Proportional to 4,455.66, 6,142.40 and 3,125.24

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Solution

The fourth proportional to 4,455.66, 6,142.40 and 3,125.24 is: 4,308.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.66 : 6,142.40 = 3,125.24 : x
  2. Step 2: Convert to fraction form
    4,455.66/6,142.40 = 3,125.24/x
  3. Step 3: Cross multiply
    4,455.66x = 6,142.40 × 3,125.24
  4. Step 4: Simplify right side
    4,455.66x = 19,196,474.18
  5. Step 5: Solve for x
    x = 19,196,474.18/4,455.66
  6. Step 6: Final answer
    x = 4,308.33

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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.