Home / 4,911.17-7,362.40-1,790.59

Finding the Fourth Proportional to 4,911.17, 7,362.40 and 1,790.59

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Solution

The fourth proportional to 4,911.17, 7,362.40 and 1,790.59 is: 2,684.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.17 : 7,362.40 = 1,790.59 : x
  2. Step 2: Convert to fraction form
    4,911.17/7,362.40 = 1,790.59/x
  3. Step 3: Cross multiply
    4,911.17x = 7,362.40 × 1,790.59
  4. Step 4: Simplify right side
    4,911.17x = 13,183,039.82
  5. Step 5: Solve for x
    x = 13,183,039.82/4,911.17
  6. Step 6: Final answer
    x = 2,684.30

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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.