Home / 5,533.29-7,635.51-3,143.30

Finding the Fourth Proportional to 5,533.29, 7,635.51 and 3,143.30

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Solution

The fourth proportional to 5,533.29, 7,635.51 and 3,143.30 is: 4,337.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,533.29 : 7,635.51 = 3,143.30 : x
  2. Step 2: Convert to fraction form
    5,533.29/7,635.51 = 3,143.30/x
  3. Step 3: Cross multiply
    5,533.29x = 7,635.51 × 3,143.30
  4. Step 4: Simplify right side
    5,533.29x = 24,000,660.41
  5. Step 5: Solve for x
    x = 24,000,660.41/5,533.29
  6. Step 6: Final answer
    x = 4,337.50

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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.