Home / 7,133.99-10,625.75-6,814.18

Finding the Fourth Proportional to 7,133.99, 10,625.75 and 6,814.18

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Solution

The fourth proportional to 7,133.99, 10,625.75 and 6,814.18 is: 10,149.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,133.99 : 10,625.75 = 6,814.18 : x
  2. Step 2: Convert to fraction form
    7,133.99/10,625.75 = 6,814.18/x
  3. Step 3: Cross multiply
    7,133.99x = 10,625.75 × 6,814.18
  4. Step 4: Simplify right side
    7,133.99x = 72,405,720.01
  5. Step 5: Solve for x
    x = 72,405,720.01/7,133.99
  6. Step 6: Final answer
    x = 10,149.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.