Home / 8,840.69-13,260.33-5,140.56

Finding the Fourth Proportional to 8,840.69, 13,260.33 and 5,140.56

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Solution

The fourth proportional to 8,840.69, 13,260.33 and 5,140.56 is: 7,710.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.69 : 13,260.33 = 5,140.56 : x
  2. Step 2: Convert to fraction form
    8,840.69/13,260.33 = 5,140.56/x
  3. Step 3: Cross multiply
    8,840.69x = 13,260.33 × 5,140.56
  4. Step 4: Simplify right side
    8,840.69x = 68,165,521.98
  5. Step 5: Solve for x
    x = 68,165,521.98/8,840.69
  6. Step 6: Final answer
    x = 7,710.43

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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.