Home / 8,501.36-11,731.48-4,724.78

Finding the Fourth Proportional to 8,501.36, 11,731.48 and 4,724.78

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Solution

The fourth proportional to 8,501.36, 11,731.48 and 4,724.78 is: 6,519.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,501.36 : 11,731.48 = 4,724.78 : x
  2. Step 2: Convert to fraction form
    8,501.36/11,731.48 = 4,724.78/x
  3. Step 3: Cross multiply
    8,501.36x = 11,731.48 × 4,724.78
  4. Step 4: Simplify right side
    8,501.36x = 55,428,662.07
  5. Step 5: Solve for x
    x = 55,428,662.07/8,501.36
  6. Step 6: Final answer
    x = 6,519.98

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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.