Home / 4,747.09-7,123.19-1,975.67

Finding the Fourth Proportional to 4,747.09, 7,123.19 and 1,975.67

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Solution

The fourth proportional to 4,747.09, 7,123.19 and 1,975.67 is: 2,964.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747.09 : 7,123.19 = 1,975.67 : x
  2. Step 2: Convert to fraction form
    4,747.09/7,123.19 = 1,975.67/x
  3. Step 3: Cross multiply
    4,747.09x = 7,123.19 × 1,975.67
  4. Step 4: Simplify right side
    4,747.09x = 14,073,080.72
  5. Step 5: Solve for x
    x = 14,073,080.72/4,747.09
  6. Step 6: Final answer
    x = 2,964.57

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1.5x scale

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.