Home / 8,569.19-11,826.05-5,212.15

Finding the Fourth Proportional to 8,569.19, 11,826.05 and 5,212.15

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Solution

The fourth proportional to 8,569.19, 11,826.05 and 5,212.15 is: 7,193.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,569.19 : 11,826.05 = 5,212.15 : x
  2. Step 2: Convert to fraction form
    8,569.19/11,826.05 = 5,212.15/x
  3. Step 3: Cross multiply
    8,569.19x = 11,826.05 × 5,212.15
  4. Step 4: Simplify right side
    8,569.19x = 61,639,120.20
  5. Step 5: Solve for x
    x = 61,639,120.20/8,569.19
  6. Step 6: Final answer
    x = 7,193.11

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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.