Home / 8,419.48-11,618.46-4,692.76

Finding the Fourth Proportional to 8,419.48, 11,618.46 and 4,692.76

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Solution

The fourth proportional to 8,419.48, 11,618.46 and 4,692.76 is: 6,475.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,419.48 : 11,618.46 = 4,692.76 : x
  2. Step 2: Convert to fraction form
    8,419.48/11,618.46 = 4,692.76/x
  3. Step 3: Cross multiply
    8,419.48x = 11,618.46 × 4,692.76
  4. Step 4: Simplify right side
    8,419.48x = 54,522,644.35
  5. Step 5: Solve for x
    x = 54,522,644.35/8,419.48
  6. Step 6: Final answer
    x = 6,475.77

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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.