Home / 7,587.56-11,381.45-2,907.81

Finding the Fourth Proportional to 7,587.56, 11,381.45 and 2,907.81

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Solution

The fourth proportional to 7,587.56, 11,381.45 and 2,907.81 is: 4,361.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,587.56 : 11,381.45 = 2,907.81 : x
  2. Step 2: Convert to fraction form
    7,587.56/11,381.45 = 2,907.81/x
  3. Step 3: Cross multiply
    7,587.56x = 11,381.45 × 2,907.81
  4. Step 4: Simplify right side
    7,587.56x = 33,095,079.59
  5. Step 5: Solve for x
    x = 33,095,079.59/7,587.56
  6. Step 6: Final answer
    x = 4,361.76

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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.