Home / 4,813.47-6,642.70-2,825.46

Finding the Fourth Proportional to 4,813.47, 6,642.70 and 2,825.46

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Solution

The fourth proportional to 4,813.47, 6,642.70 and 2,825.46 is: 3,899.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.47 : 6,642.70 = 2,825.46 : x
  2. Step 2: Convert to fraction form
    4,813.47/6,642.70 = 2,825.46/x
  3. Step 3: Cross multiply
    4,813.47x = 6,642.70 × 2,825.46
  4. Step 4: Simplify right side
    4,813.47x = 18,768,676.08
  5. Step 5: Solve for x
    x = 18,768,676.08/4,813.47
  6. Step 6: Final answer
    x = 3,899.20

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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.