Home / 5,371.02-8,056.35-1,905.84

Finding the Fourth Proportional to 5,371.02, 8,056.35 and 1,905.84

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Solution

The fourth proportional to 5,371.02, 8,056.35 and 1,905.84 is: 2,858.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.02 : 8,056.35 = 1,905.84 : x
  2. Step 2: Convert to fraction form
    5,371.02/8,056.35 = 1,905.84/x
  3. Step 3: Cross multiply
    5,371.02x = 8,056.35 × 1,905.84
  4. Step 4: Simplify right side
    5,371.02x = 15,354,114.08
  5. Step 5: Solve for x
    x = 15,354,114.08/5,371.02
  6. Step 6: Final answer
    x = 2,858.70

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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.