Home / 4,622.35-6,376.78-3,030.70

Finding the Fourth Proportional to 4,622.35, 6,376.78 and 3,030.70

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Solution

The fourth proportional to 4,622.35, 6,376.78 and 3,030.70 is: 4,181.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,622.35 : 6,376.78 = 3,030.70 : x
  2. Step 2: Convert to fraction form
    4,622.35/6,376.78 = 3,030.70/x
  3. Step 3: Cross multiply
    4,622.35x = 6,376.78 × 3,030.70
  4. Step 4: Simplify right side
    4,622.35x = 19,326,107.15
  5. Step 5: Solve for x
    x = 19,326,107.15/4,622.35
  6. Step 6: Final answer
    x = 4,181.01

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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.