Home / 5,826.72-8,739.18-1,931.16

Finding the Fourth Proportional to 5,826.72, 8,739.18 and 1,931.16

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Solution

The fourth proportional to 5,826.72, 8,739.18 and 1,931.16 is: 2,896.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,826.72 : 8,739.18 = 1,931.16 : x
  2. Step 2: Convert to fraction form
    5,826.72/8,739.18 = 1,931.16/x
  3. Step 3: Cross multiply
    5,826.72x = 8,739.18 × 1,931.16
  4. Step 4: Simplify right side
    5,826.72x = 16,876,754.85
  5. Step 5: Solve for x
    x = 16,876,754.85/5,826.72
  6. Step 6: Final answer
    x = 2,896.44

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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.