Home / 7,145.36-10,709.68-4,373.34

Finding the Fourth Proportional to 7,145.36, 10,709.68 and 4,373.34

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Solution

The fourth proportional to 7,145.36, 10,709.68 and 4,373.34 is: 6,554.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,145.36 : 10,709.68 = 4,373.34 : x
  2. Step 2: Convert to fraction form
    7,145.36/10,709.68 = 4,373.34/x
  3. Step 3: Cross multiply
    7,145.36x = 10,709.68 × 4,373.34
  4. Step 4: Simplify right side
    7,145.36x = 46,837,071.93
  5. Step 5: Solve for x
    x = 46,837,071.93/7,145.36
  6. Step 6: Final answer
    x = 6,554.89

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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.