Home / 4,653.69-6,421.86-2,663.79

Finding the Fourth Proportional to 4,653.69, 6,421.86 and 2,663.79

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Solution

The fourth proportional to 4,653.69, 6,421.86 and 2,663.79 is: 3,675.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,653.69 : 6,421.86 = 2,663.79 : x
  2. Step 2: Convert to fraction form
    4,653.69/6,421.86 = 2,663.79/x
  3. Step 3: Cross multiply
    4,653.69x = 6,421.86 × 2,663.79
  4. Step 4: Simplify right side
    4,653.69x = 17,106,486.45
  5. Step 5: Solve for x
    x = 17,106,486.45/4,653.69
  6. Step 6: Final answer
    x = 3,675.90

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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.