Home / 8,348.32-11,510.90-6,664.33

Finding the Fourth Proportional to 8,348.32, 11,510.90 and 6,664.33

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Solution

The fourth proportional to 8,348.32, 11,510.90 and 6,664.33 is: 9,188.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348.32 : 11,510.90 = 6,664.33 : x
  2. Step 2: Convert to fraction form
    8,348.32/11,510.90 = 6,664.33/x
  3. Step 3: Cross multiply
    8,348.32x = 11,510.90 × 6,664.33
  4. Step 4: Simplify right side
    8,348.32x = 76,712,424.08
  5. Step 5: Solve for x
    x = 76,712,424.08/8,348.32
  6. Step 6: Final answer
    x = 9,188.97

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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.