Home / 5,018.61-7,534.81-2,555.09

Finding the Fourth Proportional to 5,018.61, 7,534.81 and 2,555.09

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Solution

The fourth proportional to 5,018.61, 7,534.81 and 2,555.09 is: 3,836.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.61 : 7,534.81 = 2,555.09 : x
  2. Step 2: Convert to fraction form
    5,018.61/7,534.81 = 2,555.09/x
  3. Step 3: Cross multiply
    5,018.61x = 7,534.81 × 2,555.09
  4. Step 4: Simplify right side
    5,018.61x = 19,252,080.01
  5. Step 5: Solve for x
    x = 19,252,080.01/5,018.61
  6. Step 6: Final answer
    x = 3,836.14

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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.