Home / 5,640.36-8,464.04-2,718.96

Finding the Fourth Proportional to 5,640.36, 8,464.04 and 2,718.96

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Solution

The fourth proportional to 5,640.36, 8,464.04 and 2,718.96 is: 4,080.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,640.36 : 8,464.04 = 2,718.96 : x
  2. Step 2: Convert to fraction form
    5,640.36/8,464.04 = 2,718.96/x
  3. Step 3: Cross multiply
    5,640.36x = 8,464.04 × 2,718.96
  4. Step 4: Simplify right side
    5,640.36x = 23,013,386.20
  5. Step 5: Solve for x
    x = 23,013,386.20/5,640.36
  6. Step 6: Final answer
    x = 4,080.13

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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.