Home / 8,330.81-11,495.40-5,350.68

Finding the Fourth Proportional to 8,330.81, 11,495.40 and 5,350.68

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Solution

The fourth proportional to 8,330.81, 11,495.40 and 5,350.68 is: 7,383.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.81 : 11,495.40 = 5,350.68 : x
  2. Step 2: Convert to fraction form
    8,330.81/11,495.40 = 5,350.68/x
  3. Step 3: Cross multiply
    8,330.81x = 11,495.40 × 5,350.68
  4. Step 4: Simplify right side
    8,330.81x = 61,508,206.87
  5. Step 5: Solve for x
    x = 61,508,206.87/8,330.81
  6. Step 6: Final answer
    x = 7,383.22

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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.