Home / 5,137.53-7,089.76-2,900.13

Finding the Fourth Proportional to 5,137.53, 7,089.76 and 2,900.13

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Solution

The fourth proportional to 5,137.53, 7,089.76 and 2,900.13 is: 4,002.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.53 : 7,089.76 = 2,900.13 : x
  2. Step 2: Convert to fraction form
    5,137.53/7,089.76 = 2,900.13/x
  3. Step 3: Cross multiply
    5,137.53x = 7,089.76 × 2,900.13
  4. Step 4: Simplify right side
    5,137.53x = 20,561,250.64
  5. Step 5: Solve for x
    x = 20,561,250.64/5,137.53
  6. Step 6: Final answer
    x = 4,002.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.