Home / 8,810.40-13,215.53-2,236.50

Finding the Fourth Proportional to 8,810.40, 13,215.53 and 2,236.50

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Solution

The fourth proportional to 8,810.40, 13,215.53 and 2,236.50 is: 3,354.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,810.40 : 13,215.53 = 2,236.50 : x
  2. Step 2: Convert to fraction form
    8,810.40/13,215.53 = 2,236.50/x
  3. Step 3: Cross multiply
    8,810.40x = 13,215.53 × 2,236.50
  4. Step 4: Simplify right side
    8,810.40x = 29,556,521.66
  5. Step 5: Solve for x
    x = 29,556,521.66/8,810.40
  6. Step 6: Final answer
    x = 3,354.73

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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.