Home / 8,215.48-11,338.54-4,679.02

Finding the Fourth Proportional to 8,215.48, 11,338.54 and 4,679.02

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Solution

The fourth proportional to 8,215.48, 11,338.54 and 4,679.02 is: 6,457.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215.48 : 11,338.54 = 4,679.02 : x
  2. Step 2: Convert to fraction form
    8,215.48/11,338.54 = 4,679.02/x
  3. Step 3: Cross multiply
    8,215.48x = 11,338.54 × 4,679.02
  4. Step 4: Simplify right side
    8,215.48x = 53,053,255.43
  5. Step 5: Solve for x
    x = 53,053,255.43/8,215.48
  6. Step 6: Final answer
    x = 6,457.72

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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.