Home / 8,260.60-11,396.84-4,721.30

Finding the Fourth Proportional to 8,260.60, 11,396.84 and 4,721.30

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Solution

The fourth proportional to 8,260.60, 11,396.84 and 4,721.30 is: 6,513.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.60 : 11,396.84 = 4,721.30 : x
  2. Step 2: Convert to fraction form
    8,260.60/11,396.84 = 4,721.30/x
  3. Step 3: Cross multiply
    8,260.60x = 11,396.84 × 4,721.30
  4. Step 4: Simplify right side
    8,260.60x = 53,807,900.69
  5. Step 5: Solve for x
    x = 53,807,900.69/8,260.60
  6. Step 6: Final answer
    x = 6,513.80

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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.