Home / 9,137.16-12,609.58-5,599.68

Finding the Fourth Proportional to 9,137.16, 12,609.58 and 5,599.68

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Solution

The fourth proportional to 9,137.16, 12,609.58 and 5,599.68 is: 7,727.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,137.16 : 12,609.58 = 5,599.68 : x
  2. Step 2: Convert to fraction form
    9,137.16/12,609.58 = 5,599.68/x
  3. Step 3: Cross multiply
    9,137.16x = 12,609.58 × 5,599.68
  4. Step 4: Simplify right side
    9,137.16x = 70,609,667.22
  5. Step 5: Solve for x
    x = 70,609,667.22/9,137.16
  6. Step 6: Final answer
    x = 7,727.75

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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.