Home / 7,705.42-11,559.58-3,088.78

Finding the Fourth Proportional to 7,705.42, 11,559.58 and 3,088.78

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Solution

The fourth proportional to 7,705.42, 11,559.58 and 3,088.78 is: 4,633.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,705.42 : 11,559.58 = 3,088.78 : x
  2. Step 2: Convert to fraction form
    7,705.42/11,559.58 = 3,088.78/x
  3. Step 3: Cross multiply
    7,705.42x = 11,559.58 × 3,088.78
  4. Step 4: Simplify right side
    7,705.42x = 35,704,999.51
  5. Step 5: Solve for x
    x = 35,704,999.51/7,705.42
  6. Step 6: Final answer
    x = 4,633.75

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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.