Home / 5,277.57-7,909.49-2,153.91

Finding the Fourth Proportional to 5,277.57, 7,909.49 and 2,153.91

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Solution

The fourth proportional to 5,277.57, 7,909.49 and 2,153.91 is: 3,228.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.57 : 7,909.49 = 2,153.91 : x
  2. Step 2: Convert to fraction form
    5,277.57/7,909.49 = 2,153.91/x
  3. Step 3: Cross multiply
    5,277.57x = 7,909.49 × 2,153.91
  4. Step 4: Simplify right side
    5,277.57x = 17,036,343.99
  5. Step 5: Solve for x
    x = 17,036,343.99/5,277.57
  6. Step 6: Final answer
    x = 3,228.06

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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.