Home / 5,404.30-8,107.12-1,705.98

Finding the Fourth Proportional to 5,404.30, 8,107.12 and 1,705.98

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Solution

The fourth proportional to 5,404.30, 8,107.12 and 1,705.98 is: 2,559.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,404.30 : 8,107.12 = 1,705.98 : x
  2. Step 2: Convert to fraction form
    5,404.30/8,107.12 = 1,705.98/x
  3. Step 3: Cross multiply
    5,404.30x = 8,107.12 × 1,705.98
  4. Step 4: Simplify right side
    5,404.30x = 13,830,617.11
  5. Step 5: Solve for x
    x = 13,830,617.11/5,404.30
  6. Step 6: Final answer
    x = 2,559.19

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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.