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Finding the Fourth Proportional to 8,510.54, 12,777.77 and 4,353.53

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Solution

The fourth proportional to 8,510.54, 12,777.77 and 4,353.53 is: 6,536.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510.54 : 12,777.77 = 4,353.53 : x
  2. Step 2: Convert to fraction form
    8,510.54/12,777.77 = 4,353.53/x
  3. Step 3: Cross multiply
    8,510.54x = 12,777.77 × 4,353.53
  4. Step 4: Simplify right side
    8,510.54x = 55,628,383.61
  5. Step 5: Solve for x
    x = 55,628,383.61/8,510.54
  6. Step 6: Final answer
    x = 6,536.41

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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.