Home / 5,032.40-6,943.84-3,143.64

Finding the Fourth Proportional to 5,032.40, 6,943.84 and 3,143.64

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Solution

The fourth proportional to 5,032.40, 6,943.84 and 3,143.64 is: 4,337.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,032.40 : 6,943.84 = 3,143.64 : x
  2. Step 2: Convert to fraction form
    5,032.40/6,943.84 = 3,143.64/x
  3. Step 3: Cross multiply
    5,032.40x = 6,943.84 × 3,143.64
  4. Step 4: Simplify right side
    5,032.40x = 21,828,933.18
  5. Step 5: Solve for x
    x = 21,828,933.18/5,032.40
  6. Step 6: Final answer
    x = 4,337.68

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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.