Home / 8,569.18-11,827.44-5,579.81

Finding the Fourth Proportional to 8,569.18, 11,827.44 and 5,579.81

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Solution

The fourth proportional to 8,569.18, 11,827.44 and 5,579.81 is: 7,701.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,569.18 : 11,827.44 = 5,579.81 : x
  2. Step 2: Convert to fraction form
    8,569.18/11,827.44 = 5,579.81/x
  3. Step 3: Cross multiply
    8,569.18x = 11,827.44 × 5,579.81
  4. Step 4: Simplify right side
    8,569.18x = 65,994,867.99
  5. Step 5: Solve for x
    x = 65,994,867.99/8,569.18
  6. Step 6: Final answer
    x = 7,701.42

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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.