Home / 5,826.55-8,739.84-1,931.26

Finding the Fourth Proportional to 5,826.55, 8,739.84 and 1,931.26

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Solution

The fourth proportional to 5,826.55, 8,739.84 and 1,931.26 is: 2,896.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,826.55 : 8,739.84 = 1,931.26 : x
  2. Step 2: Convert to fraction form
    5,826.55/8,739.84 = 1,931.26/x
  3. Step 3: Cross multiply
    5,826.55x = 8,739.84 × 1,931.26
  4. Step 4: Simplify right side
    5,826.55x = 16,878,903.40
  5. Step 5: Solve for x
    x = 16,878,903.40/5,826.55
  6. Step 6: Final answer
    x = 2,896.89

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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.