Home / 7,577.81-11,361.59-2,644.76

Finding the Fourth Proportional to 7,577.81, 11,361.59 and 2,644.76

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Solution

The fourth proportional to 7,577.81, 11,361.59 and 2,644.76 is: 3,965.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,577.81 : 11,361.59 = 2,644.76 : x
  2. Step 2: Convert to fraction form
    7,577.81/11,361.59 = 2,644.76/x
  3. Step 3: Cross multiply
    7,577.81x = 11,361.59 × 2,644.76
  4. Step 4: Simplify right side
    7,577.81x = 30,048,678.77
  5. Step 5: Solve for x
    x = 30,048,678.77/7,577.81
  6. Step 6: Final answer
    x = 3,965.35

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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.