Home / 7,738.14-10,678.85-4,551.67

Finding the Fourth Proportional to 7,738.14, 10,678.85 and 4,551.67

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Solution

The fourth proportional to 7,738.14, 10,678.85 and 4,551.67 is: 6,281.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738.14 : 10,678.85 = 4,551.67 : x
  2. Step 2: Convert to fraction form
    7,738.14/10,678.85 = 4,551.67/x
  3. Step 3: Cross multiply
    7,738.14x = 10,678.85 × 4,551.67
  4. Step 4: Simplify right side
    7,738.14x = 48,606,601.18
  5. Step 5: Solve for x
    x = 48,606,601.18/7,738.14
  6. Step 6: Final answer
    x = 6,281.43

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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.