Home / 5,580.07-8,370.10-2,117.32

Finding the Fourth Proportional to 5,580.07, 8,370.10 and 2,117.32

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Solution

The fourth proportional to 5,580.07, 8,370.10 and 2,117.32 is: 3,175.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.07 : 8,370.10 = 2,117.32 : x
  2. Step 2: Convert to fraction form
    5,580.07/8,370.10 = 2,117.32/x
  3. Step 3: Cross multiply
    5,580.07x = 8,370.10 × 2,117.32
  4. Step 4: Simplify right side
    5,580.07x = 17,722,127.69
  5. Step 5: Solve for x
    x = 17,722,127.69/5,580.07
  6. Step 6: Final answer
    x = 3,175.97

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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.