Home / 7,927.08-10,939.26-4,569.90

Finding the Fourth Proportional to 7,927.08, 10,939.26 and 4,569.90

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Solution

The fourth proportional to 7,927.08, 10,939.26 and 4,569.90 is: 6,306.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.08 : 10,939.26 = 4,569.90 : x
  2. Step 2: Convert to fraction form
    7,927.08/10,939.26 = 4,569.90/x
  3. Step 3: Cross multiply
    7,927.08x = 10,939.26 × 4,569.90
  4. Step 4: Simplify right side
    7,927.08x = 49,991,324.27
  5. Step 5: Solve for x
    x = 49,991,324.27/7,927.08
  6. Step 6: Final answer
    x = 6,306.40

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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.