Home / 4,478.05-6,715.72-1,880.41

Finding the Fourth Proportional to 4,478.05, 6,715.72 and 1,880.41

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Solution

The fourth proportional to 4,478.05, 6,715.72 and 1,880.41 is: 2,820.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.05 : 6,715.72 = 1,880.41 : x
  2. Step 2: Convert to fraction form
    4,478.05/6,715.72 = 1,880.41/x
  3. Step 3: Cross multiply
    4,478.05x = 6,715.72 × 1,880.41
  4. Step 4: Simplify right side
    4,478.05x = 12,628,264.06
  5. Step 5: Solve for x
    x = 12,628,264.06/4,478.05
  6. Step 6: Final answer
    x = 2,820.04

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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.