Home / 4,038.21-6,054.80-1,405.10

Finding the Fourth Proportional to 4,038.21, 6,054.80 and 1,405.10

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Solution

The fourth proportional to 4,038.21, 6,054.80 and 1,405.10 is: 2,106.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,038.21 : 6,054.80 = 1,405.10 : x
  2. Step 2: Convert to fraction form
    4,038.21/6,054.80 = 1,405.10/x
  3. Step 3: Cross multiply
    4,038.21x = 6,054.80 × 1,405.10
  4. Step 4: Simplify right side
    4,038.21x = 8,507,562.18
  5. Step 5: Solve for x
    x = 8,507,562.18/4,038.21
  6. Step 6: Final answer
    x = 2,106.77

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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.