Home / 4,056.40-5,583.28-3,385.68

Finding the Fourth Proportional to 4,056.40, 5,583.28 and 3,385.68

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Solution

The fourth proportional to 4,056.40, 5,583.28 and 3,385.68 is: 4,660.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,056.40 : 5,583.28 = 3,385.68 : x
  2. Step 2: Convert to fraction form
    4,056.40/5,583.28 = 3,385.68/x
  3. Step 3: Cross multiply
    4,056.40x = 5,583.28 × 3,385.68
  4. Step 4: Simplify right side
    4,056.40x = 18,903,199.43
  5. Step 5: Solve for x
    x = 18,903,199.43/4,056.40
  6. Step 6: Final answer
    x = 4,660.09

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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.