Home / 5,585.36-8,379.86-2,810.60

Finding the Fourth Proportional to 5,585.36, 8,379.86 and 2,810.60

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Solution

The fourth proportional to 5,585.36, 8,379.86 and 2,810.60 is: 4,216.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,585.36 : 8,379.86 = 2,810.60 : x
  2. Step 2: Convert to fraction form
    5,585.36/8,379.86 = 2,810.60/x
  3. Step 3: Cross multiply
    5,585.36x = 8,379.86 × 2,810.60
  4. Step 4: Simplify right side
    5,585.36x = 23,552,409.99
  5. Step 5: Solve for x
    x = 23,552,409.99/5,585.36
  6. Step 6: Final answer
    x = 4,216.82

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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.