Home / 4,628.19-6,931.16-2,647.81

Finding the Fourth Proportional to 4,628.19, 6,931.16 and 2,647.81

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Solution

The fourth proportional to 4,628.19, 6,931.16 and 2,647.81 is: 3,965.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,628.19 : 6,931.16 = 2,647.81 : x
  2. Step 2: Convert to fraction form
    4,628.19/6,931.16 = 2,647.81/x
  3. Step 3: Cross multiply
    4,628.19x = 6,931.16 × 2,647.81
  4. Step 4: Simplify right side
    4,628.19x = 18,352,394.76
  5. Step 5: Solve for x
    x = 18,352,394.76/4,628.19
  6. Step 6: Final answer
    x = 3,965.35

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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.