Home / 4,083.51-6,124.86-1,312.19

Finding the Fourth Proportional to 4,083.51, 6,124.86 and 1,312.19

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Solution

The fourth proportional to 4,083.51, 6,124.86 and 1,312.19 is: 1,968.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.51 : 6,124.86 = 1,312.19 : x
  2. Step 2: Convert to fraction form
    4,083.51/6,124.86 = 1,312.19/x
  3. Step 3: Cross multiply
    4,083.51x = 6,124.86 × 1,312.19
  4. Step 4: Simplify right side
    4,083.51x = 8,036,949.42
  5. Step 5: Solve for x
    x = 8,036,949.42/4,083.51
  6. Step 6: Final answer
    x = 1,968.15

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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.