Home / 8,575.39-11,835.87-5,585.89

Finding the Fourth Proportional to 8,575.39, 11,835.87 and 5,585.89

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Solution

The fourth proportional to 8,575.39, 11,835.87 and 5,585.89 is: 7,709.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,575.39 : 11,835.87 = 5,585.89 : x
  2. Step 2: Convert to fraction form
    8,575.39/11,835.87 = 5,585.89/x
  3. Step 3: Cross multiply
    8,575.39x = 11,835.87 × 5,585.89
  4. Step 4: Simplify right side
    8,575.39x = 66,113,808.69
  5. Step 5: Solve for x
    x = 66,113,808.69/8,575.39
  6. Step 6: Final answer
    x = 7,709.72

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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.