Home / 7,926.96-10,938.72-4,389.96

Finding the Fourth Proportional to 7,926.96, 10,938.72 and 4,389.96

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Solution

The fourth proportional to 7,926.96, 10,938.72 and 4,389.96 is: 6,057.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.96 : 10,938.72 = 4,389.96 : x
  2. Step 2: Convert to fraction form
    7,926.96/10,938.72 = 4,389.96/x
  3. Step 3: Cross multiply
    7,926.96x = 10,938.72 × 4,389.96
  4. Step 4: Simplify right side
    7,926.96x = 48,020,543.25
  5. Step 5: Solve for x
    x = 48,020,543.25/7,926.96
  6. Step 6: Final answer
    x = 6,057.88

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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.