Home / 5,659.17-8,485.65-1,961.07

Finding the Fourth Proportional to 5,659.17, 8,485.65 and 1,961.07

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Solution

The fourth proportional to 5,659.17, 8,485.65 and 1,961.07 is: 2,940.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,659.17 : 8,485.65 = 1,961.07 : x
  2. Step 2: Convert to fraction form
    5,659.17/8,485.65 = 1,961.07/x
  3. Step 3: Cross multiply
    5,659.17x = 8,485.65 × 1,961.07
  4. Step 4: Simplify right side
    5,659.17x = 16,640,953.65
  5. Step 5: Solve for x
    x = 16,640,953.65/5,659.17
  6. Step 6: Final answer
    x = 2,940.53

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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.