Home / 8,302.36-12,459.08-3,108.28

Finding the Fourth Proportional to 8,302.36, 12,459.08 and 3,108.28

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Solution

The fourth proportional to 8,302.36, 12,459.08 and 3,108.28 is: 4,664.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302.36 : 12,459.08 = 3,108.28 : x
  2. Step 2: Convert to fraction form
    8,302.36/12,459.08 = 3,108.28/x
  3. Step 3: Cross multiply
    8,302.36x = 12,459.08 × 3,108.28
  4. Step 4: Simplify right side
    8,302.36x = 38,726,309.18
  5. Step 5: Solve for x
    x = 38,726,309.18/8,302.36
  6. Step 6: Final answer
    x = 4,664.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.