Home / 5,435.17-8,153.61-2,148.28

Finding the Fourth Proportional to 5,435.17, 8,153.61 and 2,148.28

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Solution

The fourth proportional to 5,435.17, 8,153.61 and 2,148.28 is: 3,222.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.17 : 8,153.61 = 2,148.28 : x
  2. Step 2: Convert to fraction form
    5,435.17/8,153.61 = 2,148.28/x
  3. Step 3: Cross multiply
    5,435.17x = 8,153.61 × 2,148.28
  4. Step 4: Simplify right side
    5,435.17x = 17,516,237.29
  5. Step 5: Solve for x
    x = 17,516,237.29/5,435.17
  6. Step 6: Final answer
    x = 3,222.76

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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.