Home / 5,657.72-8,485.33-1,708.82

Finding the Fourth Proportional to 5,657.72, 8,485.33 and 1,708.82

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Solution

The fourth proportional to 5,657.72, 8,485.33 and 1,708.82 is: 2,562.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,657.72 : 8,485.33 = 1,708.82 : x
  2. Step 2: Convert to fraction form
    5,657.72/8,485.33 = 1,708.82/x
  3. Step 3: Cross multiply
    5,657.72x = 8,485.33 × 1,708.82
  4. Step 4: Simplify right side
    5,657.72x = 14,499,918.61
  5. Step 5: Solve for x
    x = 14,499,918.61/5,657.72
  6. Step 6: Final answer
    x = 2,562.85

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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.