Home / 5,559.81-8,339.70-1,664.22

Finding the Fourth Proportional to 5,559.81, 8,339.70 and 1,664.22

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Solution

The fourth proportional to 5,559.81, 8,339.70 and 1,664.22 is: 2,496.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,559.81 : 8,339.70 = 1,664.22 : x
  2. Step 2: Convert to fraction form
    5,559.81/8,339.70 = 1,664.22/x
  3. Step 3: Cross multiply
    5,559.81x = 8,339.70 × 1,664.22
  4. Step 4: Simplify right side
    5,559.81x = 13,879,095.53
  5. Step 5: Solve for x
    x = 13,879,095.53/5,559.81
  6. Step 6: Final answer
    x = 2,496.33

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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.