Home / 4,127.13-6,191.39-2,047.21

Finding the Fourth Proportional to 4,127.13, 6,191.39 and 2,047.21

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Solution

The fourth proportional to 4,127.13, 6,191.39 and 2,047.21 is: 3,071.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.13 : 6,191.39 = 2,047.21 : x
  2. Step 2: Convert to fraction form
    4,127.13/6,191.39 = 2,047.21/x
  3. Step 3: Cross multiply
    4,127.13x = 6,191.39 × 2,047.21
  4. Step 4: Simplify right side
    4,127.13x = 12,675,075.52
  5. Step 5: Solve for x
    x = 12,675,075.52/4,127.13
  6. Step 6: Final answer
    x = 3,071.16

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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.