Home / 7,345.72-11,019.36-2,346.34

Finding the Fourth Proportional to 7,345.72, 11,019.36 and 2,346.34

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Solution

The fourth proportional to 7,345.72, 11,019.36 and 2,346.34 is: 3,519.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.72 : 11,019.36 = 2,346.34 : x
  2. Step 2: Convert to fraction form
    7,345.72/11,019.36 = 2,346.34/x
  3. Step 3: Cross multiply
    7,345.72x = 11,019.36 × 2,346.34
  4. Step 4: Simplify right side
    7,345.72x = 25,855,153.41
  5. Step 5: Solve for x
    x = 25,855,153.41/7,345.72
  6. Step 6: Final answer
    x = 3,519.76

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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.