Home / 5,371.40-8,056.02-3,420.92

Finding the Fourth Proportional to 5,371.40, 8,056.02 and 3,420.92

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Solution

The fourth proportional to 5,371.40, 8,056.02 and 3,420.92 is: 5,130.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.40 : 8,056.02 = 3,420.92 : x
  2. Step 2: Convert to fraction form
    5,371.40/8,056.02 = 3,420.92/x
  3. Step 3: Cross multiply
    5,371.40x = 8,056.02 × 3,420.92
  4. Step 4: Simplify right side
    5,371.40x = 27,558,999.94
  5. Step 5: Solve for x
    x = 27,558,999.94/5,371.40
  6. Step 6: Final answer
    x = 5,130.69

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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.