Home / 7,626.45-10,519.07-6,999.00

Finding the Fourth Proportional to 7,626.45, 10,519.07 and 6,999.00

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Solution

The fourth proportional to 7,626.45, 10,519.07 and 6,999.00 is: 9,653.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,626.45 : 10,519.07 = 6,999.00 : x
  2. Step 2: Convert to fraction form
    7,626.45/10,519.07 = 6,999.00/x
  3. Step 3: Cross multiply
    7,626.45x = 10,519.07 × 6,999.00
  4. Step 4: Simplify right side
    7,626.45x = 73,623,014.71
  5. Step 5: Solve for x
    x = 73,623,014.71/7,626.45
  6. Step 6: Final answer
    x = 9,653.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.