Home / 4,547.60-6,824.78-3,380.32

Finding the Fourth Proportional to 4,547.60, 6,824.78 and 3,380.32

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Solution

The fourth proportional to 4,547.60, 6,824.78 and 3,380.32 is: 5,072.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,547.60 : 6,824.78 = 3,380.32 : x
  2. Step 2: Convert to fraction form
    4,547.60/6,824.78 = 3,380.32/x
  3. Step 3: Cross multiply
    4,547.60x = 6,824.78 × 3,380.32
  4. Step 4: Simplify right side
    4,547.60x = 23,069,940.33
  5. Step 5: Solve for x
    x = 23,069,940.33/4,547.60
  6. Step 6: Final answer
    x = 5,072.99

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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.