Home / 4,585.20-6,877.80-2,943.60

Finding the Fourth Proportional to 4,585.20, 6,877.80 and 2,943.60

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Solution

The fourth proportional to 4,585.20, 6,877.80 and 2,943.60 is: 4,415.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,585.20 : 6,877.80 = 2,943.60 : x
  2. Step 2: Convert to fraction form
    4,585.20/6,877.80 = 2,943.60/x
  3. Step 3: Cross multiply
    4,585.20x = 6,877.80 × 2,943.60
  4. Step 4: Simplify right side
    4,585.20x = 20,245,492.08
  5. Step 5: Solve for x
    x = 20,245,492.08/4,585.20
  6. Step 6: Final answer
    x = 4,415.40

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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.