Home / 8,393.22-11,587.46-6,840.45

Finding the Fourth Proportional to 8,393.22, 11,587.46 and 6,840.45

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Solution

The fourth proportional to 8,393.22, 11,587.46 and 6,840.45 is: 9,443.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,393.22 : 11,587.46 = 6,840.45 : x
  2. Step 2: Convert to fraction form
    8,393.22/11,587.46 = 6,840.45/x
  3. Step 3: Cross multiply
    8,393.22x = 11,587.46 × 6,840.45
  4. Step 4: Simplify right side
    8,393.22x = 79,263,406.55
  5. Step 5: Solve for x
    x = 79,263,406.55/8,393.22
  6. Step 6: Final answer
    x = 9,443.74

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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.