Home / 4,815.99-6,646.08-2,691.63

Finding the Fourth Proportional to 4,815.99, 6,646.08 and 2,691.63

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Solution

The fourth proportional to 4,815.99, 6,646.08 and 2,691.63 is: 3,714.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.99 : 6,646.08 = 2,691.63 : x
  2. Step 2: Convert to fraction form
    4,815.99/6,646.08 = 2,691.63/x
  3. Step 3: Cross multiply
    4,815.99x = 6,646.08 × 2,691.63
  4. Step 4: Simplify right side
    4,815.99x = 17,888,798.40
  5. Step 5: Solve for x
    x = 17,888,798.40/4,815.99
  6. Step 6: Final answer
    x = 3,714.46

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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.