Home / 4,038.75-6,055.64-1,405.13

Finding the Fourth Proportional to 4,038.75, 6,055.64 and 1,405.13

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Solution

The fourth proportional to 4,038.75, 6,055.64 and 1,405.13 is: 2,106.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,038.75 : 6,055.64 = 1,405.13 : x
  2. Step 2: Convert to fraction form
    4,038.75/6,055.64 = 1,405.13/x
  3. Step 3: Cross multiply
    4,038.75x = 6,055.64 × 1,405.13
  4. Step 4: Simplify right side
    4,038.75x = 8,508,924.13
  5. Step 5: Solve for x
    x = 8,508,924.13/4,038.75
  6. Step 6: Final answer
    x = 2,106.82

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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.