Home / 8,261.40-11,405.17-6,368.83

Finding the Fourth Proportional to 8,261.40, 11,405.17 and 6,368.83

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Solution

The fourth proportional to 8,261.40, 11,405.17 and 6,368.83 is: 8,792.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.40 : 11,405.17 = 6,368.83 : x
  2. Step 2: Convert to fraction form
    8,261.40/11,405.17 = 6,368.83/x
  3. Step 3: Cross multiply
    8,261.40x = 11,405.17 × 6,368.83
  4. Step 4: Simplify right side
    8,261.40x = 72,637,572.93
  5. Step 5: Solve for x
    x = 72,637,572.93/8,261.40
  6. Step 6: Final answer
    x = 8,792.41

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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.