Home / 5,389.75-8,085.44-1,927.81

Finding the Fourth Proportional to 5,389.75, 8,085.44 and 1,927.81

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Solution

The fourth proportional to 5,389.75, 8,085.44 and 1,927.81 is: 2,892.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.75 : 8,085.44 = 1,927.81 : x
  2. Step 2: Convert to fraction form
    5,389.75/8,085.44 = 1,927.81/x
  3. Step 3: Cross multiply
    5,389.75x = 8,085.44 × 1,927.81
  4. Step 4: Simplify right side
    5,389.75x = 15,587,192.09
  5. Step 5: Solve for x
    x = 15,587,192.09/5,389.75
  6. Step 6: Final answer
    x = 2,892.01

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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.