Home / 5,639.54-8,461.48-2,351.76

Finding the Fourth Proportional to 5,639.54, 8,461.48 and 2,351.76

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Solution

The fourth proportional to 5,639.54, 8,461.48 and 2,351.76 is: 3,528.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639.54 : 8,461.48 = 2,351.76 : x
  2. Step 2: Convert to fraction form
    5,639.54/8,461.48 = 2,351.76/x
  3. Step 3: Cross multiply
    5,639.54x = 8,461.48 × 2,351.76
  4. Step 4: Simplify right side
    5,639.54x = 19,899,370.20
  5. Step 5: Solve for x
    x = 19,899,370.20/5,639.54
  6. Step 6: Final answer
    x = 3,528.54

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1.5x scale

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.