Home / 7,705.74-11,557.32-2,774.46

Finding the Fourth Proportional to 7,705.74, 11,557.32 and 2,774.46

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Solution

The fourth proportional to 7,705.74, 11,557.32 and 2,774.46 is: 4,161.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,705.74 : 11,557.32 = 2,774.46 : x
  2. Step 2: Convert to fraction form
    7,705.74/11,557.32 = 2,774.46/x
  3. Step 3: Cross multiply
    7,705.74x = 11,557.32 × 2,774.46
  4. Step 4: Simplify right side
    7,705.74x = 32,065,322.05
  5. Step 5: Solve for x
    x = 32,065,322.05/7,705.74
  6. Step 6: Final answer
    x = 4,161.23

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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.