Home / 4,215.69-6,323.40-1,907.19

Finding the Fourth Proportional to 4,215.69, 6,323.40 and 1,907.19

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Solution

The fourth proportional to 4,215.69, 6,323.40 and 1,907.19 is: 2,860.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.69 : 6,323.40 = 1,907.19 : x
  2. Step 2: Convert to fraction form
    4,215.69/6,323.40 = 1,907.19/x
  3. Step 3: Cross multiply
    4,215.69x = 6,323.40 × 1,907.19
  4. Step 4: Simplify right side
    4,215.69x = 12,059,925.25
  5. Step 5: Solve for x
    x = 12,059,925.25/4,215.69
  6. Step 6: Final answer
    x = 2,860.72

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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.