Home / 4,805.40-6,632.09-2,816.74

Finding the Fourth Proportional to 4,805.40, 6,632.09 and 2,816.74

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Solution

The fourth proportional to 4,805.40, 6,632.09 and 2,816.74 is: 3,887.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805.40 : 6,632.09 = 2,816.74 : x
  2. Step 2: Convert to fraction form
    4,805.40/6,632.09 = 2,816.74/x
  3. Step 3: Cross multiply
    4,805.40x = 6,632.09 × 2,816.74
  4. Step 4: Simplify right side
    4,805.40x = 18,680,873.19
  5. Step 5: Solve for x
    x = 18,680,873.19/4,805.40
  6. Step 6: Final answer
    x = 3,887.48

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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.