Home / 6,705.77-9,256.94-4,187.40

Finding the Fourth Proportional to 6,705.77, 9,256.94 and 4,187.40

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Solution

The fourth proportional to 6,705.77, 9,256.94 and 4,187.40 is: 5,780.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,705.77 : 9,256.94 = 4,187.40 : x
  2. Step 2: Convert to fraction form
    6,705.77/9,256.94 = 4,187.40/x
  3. Step 3: Cross multiply
    6,705.77x = 9,256.94 × 4,187.40
  4. Step 4: Simplify right side
    6,705.77x = 38,762,489.62
  5. Step 5: Solve for x
    x = 38,762,489.62/6,705.77
  6. Step 6: Final answer
    x = 5,780.47

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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.