Home / 5,578.20-8,366.85-1,880.35

Finding the Fourth Proportional to 5,578.20, 8,366.85 and 1,880.35

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Solution

The fourth proportional to 5,578.20, 8,366.85 and 1,880.35 is: 2,820.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.20 : 8,366.85 = 1,880.35 : x
  2. Step 2: Convert to fraction form
    5,578.20/8,366.85 = 1,880.35/x
  3. Step 3: Cross multiply
    5,578.20x = 8,366.85 × 1,880.35
  4. Step 4: Simplify right side
    5,578.20x = 15,732,606.40
  5. Step 5: Solve for x
    x = 15,732,606.40/5,578.20
  6. Step 6: Final answer
    x = 2,820.37

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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.