Home / 4,355.40-6,533.10-1,581.56

Finding the Fourth Proportional to 4,355.40, 6,533.10 and 1,581.56

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Solution

The fourth proportional to 4,355.40, 6,533.10 and 1,581.56 is: 2,372.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,355.40 : 6,533.10 = 1,581.56 : x
  2. Step 2: Convert to fraction form
    4,355.40/6,533.10 = 1,581.56/x
  3. Step 3: Cross multiply
    4,355.40x = 6,533.10 × 1,581.56
  4. Step 4: Simplify right side
    4,355.40x = 10,332,489.64
  5. Step 5: Solve for x
    x = 10,332,489.64/4,355.40
  6. Step 6: Final answer
    x = 2,372.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.