Home / 5,668.08-8,490.60-3,721.20

Finding the Fourth Proportional to 5,668.08, 8,490.60 and 3,721.20

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Solution

The fourth proportional to 5,668.08, 8,490.60 and 3,721.20 is: 5,574.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,668.08 : 8,490.60 = 3,721.20 : x
  2. Step 2: Convert to fraction form
    5,668.08/8,490.60 = 3,721.20/x
  3. Step 3: Cross multiply
    5,668.08x = 8,490.60 × 3,721.20
  4. Step 4: Simplify right side
    5,668.08x = 31,595,220.72
  5. Step 5: Solve for x
    x = 31,595,220.72/5,668.08
  6. Step 6: Final answer
    x = 5,574.24

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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.