Home / 8,299.89-11,459.34-5,317.07

Finding the Fourth Proportional to 8,299.89, 11,459.34 and 5,317.07

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Solution

The fourth proportional to 8,299.89, 11,459.34 and 5,317.07 is: 7,341.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,299.89 : 11,459.34 = 5,317.07 : x
  2. Step 2: Convert to fraction form
    8,299.89/11,459.34 = 5,317.07/x
  3. Step 3: Cross multiply
    8,299.89x = 11,459.34 × 5,317.07
  4. Step 4: Simplify right side
    8,299.89x = 60,930,055.64
  5. Step 5: Solve for x
    x = 60,930,055.64/8,299.89
  6. Step 6: Final answer
    x = 7,341.07

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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.