Home / 7,290.96-10,939.16-4,371.36

Finding the Fourth Proportional to 7,290.96, 10,939.16 and 4,371.36

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Solution

The fourth proportional to 7,290.96, 10,939.16 and 4,371.36 is: 6,558.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.96 : 10,939.16 = 4,371.36 : x
  2. Step 2: Convert to fraction form
    7,290.96/10,939.16 = 4,371.36/x
  3. Step 3: Cross multiply
    7,290.96x = 10,939.16 × 4,371.36
  4. Step 4: Simplify right side
    7,290.96x = 47,819,006.46
  5. Step 5: Solve for x
    x = 47,819,006.46/7,290.96
  6. Step 6: Final answer
    x = 6,558.67

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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.