Home / 4,811.16-6,637.53-2,820.99

Finding the Fourth Proportional to 4,811.16, 6,637.53 and 2,820.99

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Solution

The fourth proportional to 4,811.16, 6,637.53 and 2,820.99 is: 3,891.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.16 : 6,637.53 = 2,820.99 : x
  2. Step 2: Convert to fraction form
    4,811.16/6,637.53 = 2,820.99/x
  3. Step 3: Cross multiply
    4,811.16x = 6,637.53 × 2,820.99
  4. Step 4: Simplify right side
    4,811.16x = 18,724,405.75
  5. Step 5: Solve for x
    x = 18,724,405.75/4,811.16
  6. Step 6: Final answer
    x = 3,891.87

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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.