Home / 9,898.37-13,659.22-5,421.27

Finding the Fourth Proportional to 9,898.37, 13,659.22 and 5,421.27

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Solution

The fourth proportional to 9,898.37, 13,659.22 and 5,421.27 is: 7,481.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,898.37 : 13,659.22 = 5,421.27 : x
  2. Step 2: Convert to fraction form
    9,898.37/13,659.22 = 5,421.27/x
  3. Step 3: Cross multiply
    9,898.37x = 13,659.22 × 5,421.27
  4. Step 4: Simplify right side
    9,898.37x = 74,050,319.61
  5. Step 5: Solve for x
    x = 74,050,319.61/9,898.37
  6. Step 6: Final answer
    x = 7,481.06

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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.