Home / 6,125.15-8,456.87-4,111.58

Finding the Fourth Proportional to 6,125.15, 8,456.87 and 4,111.58

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Solution

The fourth proportional to 6,125.15, 8,456.87 and 4,111.58 is: 5,676.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,125.15 : 8,456.87 = 4,111.58 : x
  2. Step 2: Convert to fraction form
    6,125.15/8,456.87 = 4,111.58/x
  3. Step 3: Cross multiply
    6,125.15x = 8,456.87 × 4,111.58
  4. Step 4: Simplify right side
    6,125.15x = 34,771,034.71
  5. Step 5: Solve for x
    x = 34,771,034.71/6,125.15
  6. Step 6: Final answer
    x = 5,676.77

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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.