Home / 5,590.80-8,389.44-2,303.28

Finding the Fourth Proportional to 5,590.80, 8,389.44 and 2,303.28

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Solution

The fourth proportional to 5,590.80, 8,389.44 and 2,303.28 is: 3,456.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.80 : 8,389.44 = 2,303.28 : x
  2. Step 2: Convert to fraction form
    5,590.80/8,389.44 = 2,303.28/x
  3. Step 3: Cross multiply
    5,590.80x = 8,389.44 × 2,303.28
  4. Step 4: Simplify right side
    5,590.80x = 19,323,229.36
  5. Step 5: Solve for x
    x = 19,323,229.36/5,590.80
  6. Step 6: Final answer
    x = 3,456.25

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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.