Home / 4,815.13-6,643.47-2,825.77

Finding the Fourth Proportional to 4,815.13, 6,643.47 and 2,825.77

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Solution

The fourth proportional to 4,815.13, 6,643.47 and 2,825.77 is: 3,898.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.13 : 6,643.47 = 2,825.77 : x
  2. Step 2: Convert to fraction form
    4,815.13/6,643.47 = 2,825.77/x
  3. Step 3: Cross multiply
    4,815.13x = 6,643.47 × 2,825.77
  4. Step 4: Simplify right side
    4,815.13x = 18,772,918.22
  5. Step 5: Solve for x
    x = 18,772,918.22/4,815.13
  6. Step 6: Final answer
    x = 3,898.74

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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.