Home / 8,556.40-12,829.05-3,624.70

Finding the Fourth Proportional to 8,556.40, 12,829.05 and 3,624.70

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Solution

The fourth proportional to 8,556.40, 12,829.05 and 3,624.70 is: 5,434.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.40 : 12,829.05 = 3,624.70 : x
  2. Step 2: Convert to fraction form
    8,556.40/12,829.05 = 3,624.70/x
  3. Step 3: Cross multiply
    8,556.40x = 12,829.05 × 3,624.70
  4. Step 4: Simplify right side
    8,556.40x = 46,501,457.54
  5. Step 5: Solve for x
    x = 46,501,457.54/8,556.40
  6. Step 6: Final answer
    x = 5,434.70

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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.