Home / 7,927.08-10,939.67-4,390.41

Finding the Fourth Proportional to 7,927.08, 10,939.67 and 4,390.41

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Solution

The fourth proportional to 7,927.08, 10,939.67 and 4,390.41 is: 6,058.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.08 : 10,939.67 = 4,390.41 : x
  2. Step 2: Convert to fraction form
    7,927.08/10,939.67 = 4,390.41/x
  3. Step 3: Cross multiply
    7,927.08x = 10,939.67 × 4,390.41
  4. Step 4: Simplify right side
    7,927.08x = 48,029,636.56
  5. Step 5: Solve for x
    x = 48,029,636.56/7,927.08
  6. Step 6: Final answer
    x = 6,058.93

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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.