Home / 4,631.90-6,390.44-2,641.02

Finding the Fourth Proportional to 4,631.90, 6,390.44 and 2,641.02

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Solution

The fourth proportional to 4,631.90, 6,390.44 and 2,641.02 is: 3,643.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,631.90 : 6,390.44 = 2,641.02 : x
  2. Step 2: Convert to fraction form
    4,631.90/6,390.44 = 2,641.02/x
  3. Step 3: Cross multiply
    4,631.90x = 6,390.44 × 2,641.02
  4. Step 4: Simplify right side
    4,631.90x = 16,877,266.64
  5. Step 5: Solve for x
    x = 16,877,266.64/4,631.90
  6. Step 6: Final answer
    x = 3,643.71

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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.