Home / 5,403.15-8,105.58-1,704.69

Finding the Fourth Proportional to 5,403.15, 8,105.58 and 1,704.69

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Solution

The fourth proportional to 5,403.15, 8,105.58 and 1,704.69 is: 2,557.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.15 : 8,105.58 = 1,704.69 : x
  2. Step 2: Convert to fraction form
    5,403.15/8,105.58 = 1,704.69/x
  3. Step 3: Cross multiply
    5,403.15x = 8,105.58 × 1,704.69
  4. Step 4: Simplify right side
    5,403.15x = 13,817,501.17
  5. Step 5: Solve for x
    x = 13,817,501.17/5,403.15
  6. Step 6: Final answer
    x = 2,557.30

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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.