Home / 4,690.80-6,474.74-2,803.77

Finding the Fourth Proportional to 4,690.80, 6,474.74 and 2,803.77

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Solution

The fourth proportional to 4,690.80, 6,474.74 and 2,803.77 is: 3,870.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,690.80 : 6,474.74 = 2,803.77 : x
  2. Step 2: Convert to fraction form
    4,690.80/6,474.74 = 2,803.77/x
  3. Step 3: Cross multiply
    4,690.80x = 6,474.74 × 2,803.77
  4. Step 4: Simplify right side
    4,690.80x = 18,153,667.75
  5. Step 5: Solve for x
    x = 18,153,667.75/4,690.80
  6. Step 6: Final answer
    x = 3,870.06

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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.