Home / 4,092.51-6,139.72-1,281.19

Finding the Fourth Proportional to 4,092.51, 6,139.72 and 1,281.19

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Solution

The fourth proportional to 4,092.51, 6,139.72 and 1,281.19 is: 1,922.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,092.51 : 6,139.72 = 1,281.19 : x
  2. Step 2: Convert to fraction form
    4,092.51/6,139.72 = 1,281.19/x
  3. Step 3: Cross multiply
    4,092.51x = 6,139.72 × 1,281.19
  4. Step 4: Simplify right side
    4,092.51x = 7,866,152.34
  5. Step 5: Solve for x
    x = 7,866,152.34/4,092.51
  6. Step 6: Final answer
    x = 1,922.08

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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.