Home / 8,555.18-11,806.36-4,778.19

Finding the Fourth Proportional to 8,555.18, 11,806.36 and 4,778.19

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Solution

The fourth proportional to 8,555.18, 11,806.36 and 4,778.19 is: 6,594.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.18 : 11,806.36 = 4,778.19 : x
  2. Step 2: Convert to fraction form
    8,555.18/11,806.36 = 4,778.19/x
  3. Step 3: Cross multiply
    8,555.18x = 11,806.36 × 4,778.19
  4. Step 4: Simplify right side
    8,555.18x = 56,413,019.34
  5. Step 5: Solve for x
    x = 56,413,019.34/8,555.18
  6. Step 6: Final answer
    x = 6,594.02

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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.