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Finding the Fourth Proportional to 8,433, 12,652.86 and 4,270.76

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Solution

The fourth proportional to 8,433, 12,652.86 and 4,270.76 is: 6,407.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,433 : 12,652.86 = 4,270.76 : x
  2. Step 2: Convert to fraction form
    8,433/12,652.86 = 4,270.76/x
  3. Step 3: Cross multiply
    8,433x = 12,652.86 × 4,270.76
  4. Step 4: Simplify right side
    8,433x = 54,037,328.37
  5. Step 5: Solve for x
    x = 54,037,328.37/8,433
  6. Step 6: Final answer
    x = 6,407.84

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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.