Home / 8,556.10-12,812.55-6,352.90

Finding the Fourth Proportional to 8,556.10, 12,812.55 and 6,352.90

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Solution

The fourth proportional to 8,556.10, 12,812.55 and 6,352.90 is: 9,513.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.10 : 12,812.55 = 6,352.90 : x
  2. Step 2: Convert to fraction form
    8,556.10/12,812.55 = 6,352.90/x
  3. Step 3: Cross multiply
    8,556.10x = 12,812.55 × 6,352.90
  4. Step 4: Simplify right side
    8,556.10x = 81,396,848.90
  5. Step 5: Solve for x
    x = 81,396,848.90/8,556.10
  6. Step 6: Final answer
    x = 9,513.31

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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.