Home / 8,215.53-11,337.77-4,860.30

Finding the Fourth Proportional to 8,215.53, 11,337.77 and 4,860.30

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Solution

The fourth proportional to 8,215.53, 11,337.77 and 4,860.30 is: 6,707.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215.53 : 11,337.77 = 4,860.30 : x
  2. Step 2: Convert to fraction form
    8,215.53/11,337.77 = 4,860.30/x
  3. Step 3: Cross multiply
    8,215.53x = 11,337.77 × 4,860.30
  4. Step 4: Simplify right side
    8,215.53x = 55,105,018.20
  5. Step 5: Solve for x
    x = 55,105,018.20/8,215.53
  6. Step 6: Final answer
    x = 6,707.42

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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.