Home / 5,018.57-7,531.65-2,555.46

Finding the Fourth Proportional to 5,018.57, 7,531.65 and 2,555.46

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Solution

The fourth proportional to 5,018.57, 7,531.65 and 2,555.46 is: 3,835.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.57 : 7,531.65 = 2,555.46 : x
  2. Step 2: Convert to fraction form
    5,018.57/7,531.65 = 2,555.46/x
  3. Step 3: Cross multiply
    5,018.57x = 7,531.65 × 2,555.46
  4. Step 4: Simplify right side
    5,018.57x = 19,246,830.31
  5. Step 5: Solve for x
    x = 19,246,830.31/5,018.57
  6. Step 6: Final answer
    x = 3,835.12

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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.