Home / 8,270.48-11,416.20-5,476.88

Finding the Fourth Proportional to 8,270.48, 11,416.20 and 5,476.88

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Solution

The fourth proportional to 8,270.48, 11,416.20 and 5,476.88 is: 7,560.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270.48 : 11,416.20 = 5,476.88 : x
  2. Step 2: Convert to fraction form
    8,270.48/11,416.20 = 5,476.88/x
  3. Step 3: Cross multiply
    8,270.48x = 11,416.20 × 5,476.88
  4. Step 4: Simplify right side
    8,270.48x = 62,525,157.46
  5. Step 5: Solve for x
    x = 62,525,157.46/8,270.48
  6. Step 6: Final answer
    x = 7,560.04

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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.