Home / 8,491.52-11,705.60-6,003.20

Finding the Fourth Proportional to 8,491.52, 11,705.60 and 6,003.20

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Solution

The fourth proportional to 8,491.52, 11,705.60 and 6,003.20 is: 8,275.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,491.52 : 11,705.60 = 6,003.20 : x
  2. Step 2: Convert to fraction form
    8,491.52/11,705.60 = 6,003.20/x
  3. Step 3: Cross multiply
    8,491.52x = 11,705.60 × 6,003.20
  4. Step 4: Simplify right side
    8,491.52x = 70,271,057.92
  5. Step 5: Solve for x
    x = 70,271,057.92/8,491.52
  6. Step 6: Final answer
    x = 8,275.44

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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.