Home / 5,018.29-7,527.84-1,555.54

Finding the Fourth Proportional to 5,018.29, 7,527.84 and 1,555.54

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Solution

The fourth proportional to 5,018.29, 7,527.84 and 1,555.54 is: 2,333.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.29 : 7,527.84 = 1,555.54 : x
  2. Step 2: Convert to fraction form
    5,018.29/7,527.84 = 1,555.54/x
  3. Step 3: Cross multiply
    5,018.29x = 7,527.84 × 1,555.54
  4. Step 4: Simplify right side
    5,018.29x = 11,709,856.23
  5. Step 5: Solve for x
    x = 11,709,856.23/5,018.29
  6. Step 6: Final answer
    x = 2,333.44

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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.