Home / 7,363.40-11,086.56-6,491.51

Finding the Fourth Proportional to 7,363.40, 11,086.56 and 6,491.51

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Solution

The fourth proportional to 7,363.40, 11,086.56 and 6,491.51 is: 9,773.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,363.40 : 11,086.56 = 6,491.51 : x
  2. Step 2: Convert to fraction form
    7,363.40/11,086.56 = 6,491.51/x
  3. Step 3: Cross multiply
    7,363.40x = 11,086.56 × 6,491.51
  4. Step 4: Simplify right side
    7,363.40x = 71,968,459.67
  5. Step 5: Solve for x
    x = 71,968,459.67/7,363.40
  6. Step 6: Final answer
    x = 9,773.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.