Home / 7,744.47-10,686.96-4,207.67

Finding the Fourth Proportional to 7,744.47, 10,686.96 and 4,207.67

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Solution

The fourth proportional to 7,744.47, 10,686.96 and 4,207.67 is: 5,806.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,744.47 : 10,686.96 = 4,207.67 : x
  2. Step 2: Convert to fraction form
    7,744.47/10,686.96 = 4,207.67/x
  3. Step 3: Cross multiply
    7,744.47x = 10,686.96 × 4,207.67
  4. Step 4: Simplify right side
    7,744.47x = 44,967,147.55
  5. Step 5: Solve for x
    x = 44,967,147.55/7,744.47
  6. Step 6: Final answer
    x = 5,806.36

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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.