Home / 5,385.14-8,073.92-1,874.34

Finding the Fourth Proportional to 5,385.14, 8,073.92 and 1,874.34

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Solution

The fourth proportional to 5,385.14, 8,073.92 and 1,874.34 is: 2,810.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.14 : 8,073.92 = 1,874.34 : x
  2. Step 2: Convert to fraction form
    5,385.14/8,073.92 = 1,874.34/x
  3. Step 3: Cross multiply
    5,385.14x = 8,073.92 × 1,874.34
  4. Step 4: Simplify right side
    5,385.14x = 15,133,271.21
  5. Step 5: Solve for x
    x = 15,133,271.21/5,385.14
  6. Step 6: Final answer
    x = 2,810.19

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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.