Home / 8,263.28-11,401.74-4,725.72

Finding the Fourth Proportional to 8,263.28, 11,401.74 and 4,725.72

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Solution

The fourth proportional to 8,263.28, 11,401.74 and 4,725.72 is: 6,520.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263.28 : 11,401.74 = 4,725.72 : x
  2. Step 2: Convert to fraction form
    8,263.28/11,401.74 = 4,725.72/x
  3. Step 3: Cross multiply
    8,263.28x = 11,401.74 × 4,725.72
  4. Step 4: Simplify right side
    8,263.28x = 53,881,430.75
  5. Step 5: Solve for x
    x = 53,881,430.75/8,263.28
  6. Step 6: Final answer
    x = 6,520.59

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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.