Home / 6,392.55-8,826-5,718.24

Finding the Fourth Proportional to 6,392.55, 8,826 and 5,718.24

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Solution

The fourth proportional to 6,392.55, 8,826 and 5,718.24 is: 7,895.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,392.55 : 8,826 = 5,718.24 : x
  2. Step 2: Convert to fraction form
    6,392.55/8,826 = 5,718.24/x
  3. Step 3: Cross multiply
    6,392.55x = 8,826 × 5,718.24
  4. Step 4: Simplify right side
    6,392.55x = 50,469,186.24
  5. Step 5: Solve for x
    x = 50,469,186.24/6,392.55
  6. Step 6: Final answer
    x = 7,895.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.