Home / 4,639.08-6,959.32-1,352.40

Finding the Fourth Proportional to 4,639.08, 6,959.32 and 1,352.40

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Solution

The fourth proportional to 4,639.08, 6,959.32 and 1,352.40 is: 2,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.08 : 6,959.32 = 1,352.40 : x
  2. Step 2: Convert to fraction form
    4,639.08/6,959.32 = 1,352.40/x
  3. Step 3: Cross multiply
    4,639.08x = 6,959.32 × 1,352.40
  4. Step 4: Simplify right side
    4,639.08x = 9,411,784.37
  5. Step 5: Solve for x
    x = 9,411,784.37/4,639.08
  6. Step 6: Final answer
    x = 2,028.80

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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.