Home / 8,228.79-11,353.77-4,690.71

Finding the Fourth Proportional to 8,228.79, 11,353.77 and 4,690.71

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Solution

The fourth proportional to 8,228.79, 11,353.77 and 4,690.71 is: 6,472.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,228.79 : 11,353.77 = 4,690.71 : x
  2. Step 2: Convert to fraction form
    8,228.79/11,353.77 = 4,690.71/x
  3. Step 3: Cross multiply
    8,228.79x = 11,353.77 × 4,690.71
  4. Step 4: Simplify right side
    8,228.79x = 53,257,242.48
  5. Step 5: Solve for x
    x = 53,257,242.48/8,228.79
  6. Step 6: Final answer
    x = 6,472.06

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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.