Home / 4,815.99-6,646.35-2,691.48

Finding the Fourth Proportional to 4,815.99, 6,646.35 and 2,691.48

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Solution

The fourth proportional to 4,815.99, 6,646.35 and 2,691.48 is: 3,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.99 : 6,646.35 = 2,691.48 : x
  2. Step 2: Convert to fraction form
    4,815.99/6,646.35 = 2,691.48/x
  3. Step 3: Cross multiply
    4,815.99x = 6,646.35 × 2,691.48
  4. Step 4: Simplify right side
    4,815.99x = 17,888,518.10
  5. Step 5: Solve for x
    x = 17,888,518.10/4,815.99
  6. Step 6: Final answer
    x = 3,714.40

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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.