Home / 7,789.29-11,677.56-5,328.93

Finding the Fourth Proportional to 7,789.29, 11,677.56 and 5,328.93

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Solution

The fourth proportional to 7,789.29, 11,677.56 and 5,328.93 is: 7,989.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,789.29 : 11,677.56 = 5,328.93 : x
  2. Step 2: Convert to fraction form
    7,789.29/11,677.56 = 5,328.93/x
  3. Step 3: Cross multiply
    7,789.29x = 11,677.56 × 5,328.93
  4. Step 4: Simplify right side
    7,789.29x = 62,228,899.81
  5. Step 5: Solve for x
    x = 62,228,899.81/7,789.29
  6. Step 6: Final answer
    x = 7,989.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.