Home / 4,455.64-6,673.50-2,987.80

Finding the Fourth Proportional to 4,455.64, 6,673.50 and 2,987.80

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Solution

The fourth proportional to 4,455.64, 6,673.50 and 2,987.80 is: 4,475.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.64 : 6,673.50 = 2,987.80 : x
  2. Step 2: Convert to fraction form
    4,455.64/6,673.50 = 2,987.80/x
  3. Step 3: Cross multiply
    4,455.64x = 6,673.50 × 2,987.80
  4. Step 4: Simplify right side
    4,455.64x = 19,939,083.30
  5. Step 5: Solve for x
    x = 19,939,083.30/4,455.64
  6. Step 6: Final answer
    x = 4,475.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.