Home / 5,435.84-8,153.64-2,103.17

Finding the Fourth Proportional to 5,435.84, 8,153.64 and 2,103.17

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Solution

The fourth proportional to 5,435.84, 8,153.64 and 2,103.17 is: 3,154.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.84 : 8,153.64 = 2,103.17 : x
  2. Step 2: Convert to fraction form
    5,435.84/8,153.64 = 2,103.17/x
  3. Step 3: Cross multiply
    5,435.84x = 8,153.64 × 2,103.17
  4. Step 4: Simplify right side
    5,435.84x = 17,148,450.27
  5. Step 5: Solve for x
    x = 17,148,450.27/5,435.84
  6. Step 6: Final answer
    x = 3,154.70

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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.