Home / 7,537.81-11,304.40-5,212.75

Finding the Fourth Proportional to 7,537.81, 11,304.40 and 5,212.75

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Solution

The fourth proportional to 7,537.81, 11,304.40 and 5,212.75 is: 7,817.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,537.81 : 11,304.40 = 5,212.75 : x
  2. Step 2: Convert to fraction form
    7,537.81/11,304.40 = 5,212.75/x
  3. Step 3: Cross multiply
    7,537.81x = 11,304.40 × 5,212.75
  4. Step 4: Simplify right side
    7,537.81x = 58,926,985.04
  5. Step 5: Solve for x
    x = 58,926,985.04/7,537.81
  6. Step 6: Final answer
    x = 7,817.52

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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.