Home / 6,419.23-9,628.18-4,352.51

Finding the Fourth Proportional to 6,419.23, 9,628.18 and 4,352.51

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Solution

The fourth proportional to 6,419.23, 9,628.18 and 4,352.51 is: 6,528.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419.23 : 9,628.18 = 4,352.51 : x
  2. Step 2: Convert to fraction form
    6,419.23/9,628.18 = 4,352.51/x
  3. Step 3: Cross multiply
    6,419.23x = 9,628.18 × 4,352.51
  4. Step 4: Simplify right side
    6,419.23x = 41,906,749.73
  5. Step 5: Solve for x
    x = 41,906,749.73/6,419.23
  6. Step 6: Final answer
    x = 6,528.31

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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.