Home / 5,640.34-8,464.02-2,718.94

Finding the Fourth Proportional to 5,640.34, 8,464.02 and 2,718.94

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Solution

The fourth proportional to 5,640.34, 8,464.02 and 2,718.94 is: 4,080.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,640.34 : 8,464.02 = 2,718.94 : x
  2. Step 2: Convert to fraction form
    5,640.34/8,464.02 = 2,718.94/x
  3. Step 3: Cross multiply
    5,640.34x = 8,464.02 × 2,718.94
  4. Step 4: Simplify right side
    5,640.34x = 23,013,162.54
  5. Step 5: Solve for x
    x = 23,013,162.54/5,640.34
  6. Step 6: Final answer
    x = 4,080.10

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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.