Home / 5,019.41-7,518.87-2,378.90

Finding the Fourth Proportional to 5,019.41, 7,518.87 and 2,378.90

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Solution

The fourth proportional to 5,019.41, 7,518.87 and 2,378.90 is: 3,563.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,019.41 : 7,518.87 = 2,378.90 : x
  2. Step 2: Convert to fraction form
    5,019.41/7,518.87 = 2,378.90/x
  3. Step 3: Cross multiply
    5,019.41x = 7,518.87 × 2,378.90
  4. Step 4: Simplify right side
    5,019.41x = 17,886,602.25
  5. Step 5: Solve for x
    x = 17,886,602.25/5,019.41
  6. Step 6: Final answer
    x = 3,563.49

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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.