Home / 6,741.36-9,312.15-6,112.59

Finding the Fourth Proportional to 6,741.36, 9,312.15 and 6,112.59

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Solution

The fourth proportional to 6,741.36, 9,312.15 and 6,112.59 is: 8,443.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,741.36 : 9,312.15 = 6,112.59 : x
  2. Step 2: Convert to fraction form
    6,741.36/9,312.15 = 6,112.59/x
  3. Step 3: Cross multiply
    6,741.36x = 9,312.15 × 6,112.59
  4. Step 4: Simplify right side
    6,741.36x = 56,921,354.97
  5. Step 5: Solve for x
    x = 56,921,354.97/6,741.36
  6. Step 6: Final answer
    x = 8,443.60

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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.