Home / 6,840.22-9,434.56-6,611.52

Finding the Fourth Proportional to 6,840.22, 9,434.56 and 6,611.52

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Solution

The fourth proportional to 6,840.22, 9,434.56 and 6,611.52 is: 9,119.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,840.22 : 9,434.56 = 6,611.52 : x
  2. Step 2: Convert to fraction form
    6,840.22/9,434.56 = 6,611.52/x
  3. Step 3: Cross multiply
    6,840.22x = 9,434.56 × 6,611.52
  4. Step 4: Simplify right side
    6,840.22x = 62,376,782.13
  5. Step 5: Solve for x
    x = 62,376,782.13/6,840.22
  6. Step 6: Final answer
    x = 9,119.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.