Home / 8,888.31-13,336.36-4,211.66

Finding the Fourth Proportional to 8,888.31, 13,336.36 and 4,211.66

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Solution

The fourth proportional to 8,888.31, 13,336.36 and 4,211.66 is: 6,319.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,888.31 : 13,336.36 = 4,211.66 : x
  2. Step 2: Convert to fraction form
    8,888.31/13,336.36 = 4,211.66/x
  3. Step 3: Cross multiply
    8,888.31x = 13,336.36 × 4,211.66
  4. Step 4: Simplify right side
    8,888.31x = 56,168,236.77
  5. Step 5: Solve for x
    x = 56,168,236.77/8,888.31
  6. Step 6: Final answer
    x = 6,319.34

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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.