Home / 5,427.74-8,142.82-1,730.18

Finding the Fourth Proportional to 5,427.74, 8,142.82 and 1,730.18

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Solution

The fourth proportional to 5,427.74, 8,142.82 and 1,730.18 is: 2,595.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.74 : 8,142.82 = 1,730.18 : x
  2. Step 2: Convert to fraction form
    5,427.74/8,142.82 = 1,730.18/x
  3. Step 3: Cross multiply
    5,427.74x = 8,142.82 × 1,730.18
  4. Step 4: Simplify right side
    5,427.74x = 14,088,544.31
  5. Step 5: Solve for x
    x = 14,088,544.31/5,427.74
  6. Step 6: Final answer
    x = 2,595.66

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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.