Home / 5,817.24-8,727.30-1,921.68

Finding the Fourth Proportional to 5,817.24, 8,727.30 and 1,921.68

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Solution

The fourth proportional to 5,817.24, 8,727.30 and 1,921.68 is: 2,883.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,817.24 : 8,727.30 = 1,921.68 : x
  2. Step 2: Convert to fraction form
    5,817.24/8,727.30 = 1,921.68/x
  3. Step 3: Cross multiply
    5,817.24x = 8,727.30 × 1,921.68
  4. Step 4: Simplify right side
    5,817.24x = 16,771,077.86
  5. Step 5: Solve for x
    x = 16,771,077.86/5,817.24
  6. Step 6: Final answer
    x = 2,883.00

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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.