Home / 9,140.37-13,708.82-4,455.66

Finding the Fourth Proportional to 9,140.37, 13,708.82 and 4,455.66

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Solution

The fourth proportional to 9,140.37, 13,708.82 and 4,455.66 is: 6,682.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.37 : 13,708.82 = 4,455.66 : x
  2. Step 2: Convert to fraction form
    9,140.37/13,708.82 = 4,455.66/x
  3. Step 3: Cross multiply
    9,140.37x = 13,708.82 × 4,455.66
  4. Step 4: Simplify right side
    9,140.37x = 61,081,818.64
  5. Step 5: Solve for x
    x = 61,081,818.64/9,140.37
  6. Step 6: Final answer
    x = 6,682.64

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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.