Home / 4,378.57-6,038.49-2,806.36

Finding the Fourth Proportional to 4,378.57, 6,038.49 and 2,806.36

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Solution

The fourth proportional to 4,378.57, 6,038.49 and 2,806.36 is: 3,870.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.57 : 6,038.49 = 2,806.36 : x
  2. Step 2: Convert to fraction form
    4,378.57/6,038.49 = 2,806.36/x
  3. Step 3: Cross multiply
    4,378.57x = 6,038.49 × 2,806.36
  4. Step 4: Simplify right side
    4,378.57x = 16,946,176.80
  5. Step 5: Solve for x
    x = 16,946,176.80/4,378.57
  6. Step 6: Final answer
    x = 3,870.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.