Home / 8,022.72-11,060.24-6,915.45

Finding the Fourth Proportional to 8,022.72, 11,060.24 and 6,915.45

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Solution

The fourth proportional to 8,022.72, 11,060.24 and 6,915.45 is: 9,533.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,022.72 : 11,060.24 = 6,915.45 : x
  2. Step 2: Convert to fraction form
    8,022.72/11,060.24 = 6,915.45/x
  3. Step 3: Cross multiply
    8,022.72x = 11,060.24 × 6,915.45
  4. Step 4: Simplify right side
    8,022.72x = 76,486,502.13
  5. Step 5: Solve for x
    x = 76,486,502.13/8,022.72
  6. Step 6: Final answer
    x = 9,533.74

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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.