Home / 4,690.20-7,033.25-1,878.19

Finding the Fourth Proportional to 4,690.20, 7,033.25 and 1,878.19

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Solution

The fourth proportional to 4,690.20, 7,033.25 and 1,878.19 is: 2,816.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,690.20 : 7,033.25 = 1,878.19 : x
  2. Step 2: Convert to fraction form
    4,690.20/7,033.25 = 1,878.19/x
  3. Step 3: Cross multiply
    4,690.20x = 7,033.25 × 1,878.19
  4. Step 4: Simplify right side
    4,690.20x = 13,209,756.37
  5. Step 5: Solve for x
    x = 13,209,756.37/4,690.20
  6. Step 6: Final answer
    x = 2,816.46

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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.