Home / 6,639.25-9,160.57-4,370.36

Finding the Fourth Proportional to 6,639.25, 9,160.57 and 4,370.36

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Solution

The fourth proportional to 6,639.25, 9,160.57 and 4,370.36 is: 6,030.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639.25 : 9,160.57 = 4,370.36 : x
  2. Step 2: Convert to fraction form
    6,639.25/9,160.57 = 4,370.36/x
  3. Step 3: Cross multiply
    6,639.25x = 9,160.57 × 4,370.36
  4. Step 4: Simplify right side
    6,639.25x = 40,034,936.07
  5. Step 5: Solve for x
    x = 40,034,936.07/6,639.25
  6. Step 6: Final answer
    x = 6,030.04

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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.