Home / 9,136.88-12,609.19-5,599.40

Finding the Fourth Proportional to 9,136.88, 12,609.19 and 5,599.40

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Solution

The fourth proportional to 9,136.88, 12,609.19 and 5,599.40 is: 7,727.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,136.88 : 12,609.19 = 5,599.40 : x
  2. Step 2: Convert to fraction form
    9,136.88/12,609.19 = 5,599.40/x
  3. Step 3: Cross multiply
    9,136.88x = 12,609.19 × 5,599.40
  4. Step 4: Simplify right side
    9,136.88x = 70,603,947.51
  5. Step 5: Solve for x
    x = 70,603,947.51/9,136.88
  6. Step 6: Final answer
    x = 7,727.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.