Home / 8,556.79-12,840.93-3,010.16

Finding the Fourth Proportional to 8,556.79, 12,840.93 and 3,010.16

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Solution

The fourth proportional to 8,556.79, 12,840.93 and 3,010.16 is: 4,517.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.79 : 12,840.93 = 3,010.16 : x
  2. Step 2: Convert to fraction form
    8,556.79/12,840.93 = 3,010.16/x
  3. Step 3: Cross multiply
    8,556.79x = 12,840.93 × 3,010.16
  4. Step 4: Simplify right side
    8,556.79x = 38,653,285.95
  5. Step 5: Solve for x
    x = 38,653,285.95/8,556.79
  6. Step 6: Final answer
    x = 4,517.27

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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.