Home / 4,770.81-7,152.57-3,210.75

Finding the Fourth Proportional to 4,770.81, 7,152.57 and 3,210.75

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Solution

The fourth proportional to 4,770.81, 7,152.57 and 3,210.75 is: 4,813.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.81 : 7,152.57 = 3,210.75 : x
  2. Step 2: Convert to fraction form
    4,770.81/7,152.57 = 3,210.75/x
  3. Step 3: Cross multiply
    4,770.81x = 7,152.57 × 3,210.75
  4. Step 4: Simplify right side
    4,770.81x = 22,965,114.13
  5. Step 5: Solve for x
    x = 22,965,114.13/4,770.81
  6. Step 6: Final answer
    x = 4,813.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.