Home / 8,156.60-11,261.53-6,264.81

Finding the Fourth Proportional to 8,156.60, 11,261.53 and 6,264.81

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Solution

The fourth proportional to 8,156.60, 11,261.53 and 6,264.81 is: 8,649.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.60 : 11,261.53 = 6,264.81 : x
  2. Step 2: Convert to fraction form
    8,156.60/11,261.53 = 6,264.81/x
  3. Step 3: Cross multiply
    8,156.60x = 11,261.53 × 6,264.81
  4. Step 4: Simplify right side
    8,156.60x = 70,551,353.59
  5. Step 5: Solve for x
    x = 70,551,353.59/8,156.60
  6. Step 6: Final answer
    x = 8,649.60

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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.