Home / 8,265.40-11,406.30-4,728.76

Finding the Fourth Proportional to 8,265.40, 11,406.30 and 4,728.76

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Solution

The fourth proportional to 8,265.40, 11,406.30 and 4,728.76 is: 6,525.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.40 : 11,406.30 = 4,728.76 : x
  2. Step 2: Convert to fraction form
    8,265.40/11,406.30 = 4,728.76/x
  3. Step 3: Cross multiply
    8,265.40x = 11,406.30 × 4,728.76
  4. Step 4: Simplify right side
    8,265.40x = 53,937,655.19
  5. Step 5: Solve for x
    x = 53,937,655.19/8,265.40
  6. Step 6: Final answer
    x = 6,525.72

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Half scale
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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.