Home / 6,840.45-10,242.91-5,859.55

Finding the Fourth Proportional to 6,840.45, 10,242.91 and 5,859.55

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Solution

The fourth proportional to 6,840.45, 10,242.91 and 5,859.55 is: 8,774.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,840.45 : 10,242.91 = 5,859.55 : x
  2. Step 2: Convert to fraction form
    6,840.45/10,242.91 = 5,859.55/x
  3. Step 3: Cross multiply
    6,840.45x = 10,242.91 × 5,859.55
  4. Step 4: Simplify right side
    6,840.45x = 60,018,843.29
  5. Step 5: Solve for x
    x = 60,018,843.29/6,840.45
  6. Step 6: Final answer
    x = 8,774.11

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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.