Home / 7,927.01-10,939.89-4,390.55

Finding the Fourth Proportional to 7,927.01, 10,939.89 and 4,390.55

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Solution

The fourth proportional to 7,927.01, 10,939.89 and 4,390.55 is: 6,059.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.01 : 10,939.89 = 4,390.55 : x
  2. Step 2: Convert to fraction form
    7,927.01/10,939.89 = 4,390.55/x
  3. Step 3: Cross multiply
    7,927.01x = 10,939.89 × 4,390.55
  4. Step 4: Simplify right side
    7,927.01x = 48,032,079.34
  5. Step 5: Solve for x
    x = 48,032,079.34/7,927.01
  6. Step 6: Final answer
    x = 6,059.30

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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.