Home / 7,939.32-10,956.20-4,402.54

Finding the Fourth Proportional to 7,939.32, 10,956.20 and 4,402.54

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Solution

The fourth proportional to 7,939.32, 10,956.20 and 4,402.54 is: 6,075.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.32 : 10,956.20 = 4,402.54 : x
  2. Step 2: Convert to fraction form
    7,939.32/10,956.20 = 4,402.54/x
  3. Step 3: Cross multiply
    7,939.32x = 10,956.20 × 4,402.54
  4. Step 4: Simplify right side
    7,939.32x = 48,235,108.75
  5. Step 5: Solve for x
    x = 48,235,108.75/7,939.32
  6. Step 6: Final answer
    x = 6,075.47

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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.