Home / 5,428.02-8,143.25-1,730.46

Finding the Fourth Proportional to 5,428.02, 8,143.25 and 1,730.46

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Solution

The fourth proportional to 5,428.02, 8,143.25 and 1,730.46 is: 2,596.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428.02 : 8,143.25 = 1,730.46 : x
  2. Step 2: Convert to fraction form
    5,428.02/8,143.25 = 1,730.46/x
  3. Step 3: Cross multiply
    5,428.02x = 8,143.25 × 1,730.46
  4. Step 4: Simplify right side
    5,428.02x = 14,091,568.40
  5. Step 5: Solve for x
    x = 14,091,568.40/5,428.02
  6. Step 6: Final answer
    x = 2,596.08

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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.