Home / 7,723.56-11,585.36-1,880.18

Finding the Fourth Proportional to 7,723.56, 11,585.36 and 1,880.18

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Solution

The fourth proportional to 7,723.56, 11,585.36 and 1,880.18 is: 2,820.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.56 : 11,585.36 = 1,880.18 : x
  2. Step 2: Convert to fraction form
    7,723.56/11,585.36 = 1,880.18/x
  3. Step 3: Cross multiply
    7,723.56x = 11,585.36 × 1,880.18
  4. Step 4: Simplify right side
    7,723.56x = 21,782,562.16
  5. Step 5: Solve for x
    x = 21,782,562.16/7,723.56
  6. Step 6: Final answer
    x = 2,820.27

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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.