Home / 8,685.36-11,984.92-4,856.28

Finding the Fourth Proportional to 8,685.36, 11,984.92 and 4,856.28

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Solution

The fourth proportional to 8,685.36, 11,984.92 and 4,856.28 is: 6,701.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685.36 : 11,984.92 = 4,856.28 : x
  2. Step 2: Convert to fraction form
    8,685.36/11,984.92 = 4,856.28/x
  3. Step 3: Cross multiply
    8,685.36x = 11,984.92 × 4,856.28
  4. Step 4: Simplify right side
    8,685.36x = 58,202,127.30
  5. Step 5: Solve for x
    x = 58,202,127.30/8,685.36
  6. Step 6: Final answer
    x = 6,701.18

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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.