Home / 4,290.65-6,435.90-1,368.93

Finding the Fourth Proportional to 4,290.65, 6,435.90 and 1,368.93

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Solution

The fourth proportional to 4,290.65, 6,435.90 and 1,368.93 is: 2,053.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.65 : 6,435.90 = 1,368.93 : x
  2. Step 2: Convert to fraction form
    4,290.65/6,435.90 = 1,368.93/x
  3. Step 3: Cross multiply
    4,290.65x = 6,435.90 × 1,368.93
  4. Step 4: Simplify right side
    4,290.65x = 8,810,296.59
  5. Step 5: Solve for x
    x = 8,810,296.59/4,290.65
  6. Step 6: Final answer
    x = 2,053.37

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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.