Home / 4,010.78-6,018.33-1,672.40

Finding the Fourth Proportional to 4,010.78, 6,018.33 and 1,672.40

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Solution

The fourth proportional to 4,010.78, 6,018.33 and 1,672.40 is: 2,509.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,010.78 : 6,018.33 = 1,672.40 : x
  2. Step 2: Convert to fraction form
    4,010.78/6,018.33 = 1,672.40/x
  3. Step 3: Cross multiply
    4,010.78x = 6,018.33 × 1,672.40
  4. Step 4: Simplify right side
    4,010.78x = 10,065,055.09
  5. Step 5: Solve for x
    x = 10,065,055.09/4,010.78
  6. Step 6: Final answer
    x = 2,509.50

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1.5x scale

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.