Home / 5,578.84-8,359.20-2,946.20

Finding the Fourth Proportional to 5,578.84, 8,359.20 and 2,946.20

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Solution

The fourth proportional to 5,578.84, 8,359.20 and 2,946.20 is: 4,414.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.84 : 8,359.20 = 2,946.20 : x
  2. Step 2: Convert to fraction form
    5,578.84/8,359.20 = 2,946.20/x
  3. Step 3: Cross multiply
    5,578.84x = 8,359.20 × 2,946.20
  4. Step 4: Simplify right side
    5,578.84x = 24,627,875.04
  5. Step 5: Solve for x
    x = 24,627,875.04/5,578.84
  6. Step 6: Final answer
    x = 4,414.52

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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.