Home / 4,045.48-6,069.01-1,272.21

Finding the Fourth Proportional to 4,045.48, 6,069.01 and 1,272.21

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Solution

The fourth proportional to 4,045.48, 6,069.01 and 1,272.21 is: 1,908.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,045.48 : 6,069.01 = 1,272.21 : x
  2. Step 2: Convert to fraction form
    4,045.48/6,069.01 = 1,272.21/x
  3. Step 3: Cross multiply
    4,045.48x = 6,069.01 × 1,272.21
  4. Step 4: Simplify right side
    4,045.48x = 7,721,031.66
  5. Step 5: Solve for x
    x = 7,721,031.66/4,045.48
  6. Step 6: Final answer
    x = 1,908.56

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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.