Home / 7,926.87-10,938.93-4,390.11

Finding the Fourth Proportional to 7,926.87, 10,938.93 and 4,390.11

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Solution

The fourth proportional to 7,926.87, 10,938.93 and 4,390.11 is: 6,058.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.87 : 10,938.93 = 4,390.11 : x
  2. Step 2: Convert to fraction form
    7,926.87/10,938.93 = 4,390.11/x
  3. Step 3: Cross multiply
    7,926.87x = 10,938.93 × 4,390.11
  4. Step 4: Simplify right side
    7,926.87x = 48,023,105.98
  5. Step 5: Solve for x
    x = 48,023,105.98/7,926.87
  6. Step 6: Final answer
    x = 6,058.27

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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.