Home / 7,927.18-10,939.03-4,390.18

Finding the Fourth Proportional to 7,927.18, 10,939.03 and 4,390.18

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Solution

The fourth proportional to 7,927.18, 10,939.03 and 4,390.18 is: 6,058.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.18 : 10,939.03 = 4,390.18 : x
  2. Step 2: Convert to fraction form
    7,927.18/10,939.03 = 4,390.18/x
  3. Step 3: Cross multiply
    7,927.18x = 10,939.03 × 4,390.18
  4. Step 4: Simplify right side
    7,927.18x = 48,024,310.73
  5. Step 5: Solve for x
    x = 48,024,310.73/7,927.18
  6. Step 6: Final answer
    x = 6,058.18

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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.