Home / 4,669.74-6,442.85-2,780.37

Finding the Fourth Proportional to 4,669.74, 6,442.85 and 2,780.37

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Solution

The fourth proportional to 4,669.74, 6,442.85 and 2,780.37 is: 3,836.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,669.74 : 6,442.85 = 2,780.37 : x
  2. Step 2: Convert to fraction form
    4,669.74/6,442.85 = 2,780.37/x
  3. Step 3: Cross multiply
    4,669.74x = 6,442.85 × 2,780.37
  4. Step 4: Simplify right side
    4,669.74x = 17,913,506.85
  5. Step 5: Solve for x
    x = 17,913,506.85/4,669.74
  6. Step 6: Final answer
    x = 3,836.08

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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.