Home / 4,055.14-6,075.98-1,421.23

Finding the Fourth Proportional to 4,055.14, 6,075.98 and 1,421.23

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Solution

The fourth proportional to 4,055.14, 6,075.98 and 1,421.23 is: 2,129.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,055.14 : 6,075.98 = 1,421.23 : x
  2. Step 2: Convert to fraction form
    4,055.14/6,075.98 = 1,421.23/x
  3. Step 3: Cross multiply
    4,055.14x = 6,075.98 × 1,421.23
  4. Step 4: Simplify right side
    4,055.14x = 8,635,327.57
  5. Step 5: Solve for x
    x = 8,635,327.57/4,055.14
  6. Step 6: Final answer
    x = 2,129.48

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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.