Home / 7,698.20-10,620.81-4,864.67

Finding the Fourth Proportional to 7,698.20, 10,620.81 and 4,864.67

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Solution

The fourth proportional to 7,698.20, 10,620.81 and 4,864.67 is: 6,711.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,698.20 : 10,620.81 = 4,864.67 : x
  2. Step 2: Convert to fraction form
    7,698.20/10,620.81 = 4,864.67/x
  3. Step 3: Cross multiply
    7,698.20x = 10,620.81 × 4,864.67
  4. Step 4: Simplify right side
    7,698.20x = 51,666,682.68
  5. Step 5: Solve for x
    x = 51,666,682.68/7,698.20
  6. Step 6: Final answer
    x = 6,711.53

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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.