Home / 4,111.89-6,165.13-1,478.08

Finding the Fourth Proportional to 4,111.89, 6,165.13 and 1,478.08

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Solution

The fourth proportional to 4,111.89, 6,165.13 and 1,478.08 is: 2,216.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111.89 : 6,165.13 = 1,478.08 : x
  2. Step 2: Convert to fraction form
    4,111.89/6,165.13 = 1,478.08/x
  3. Step 3: Cross multiply
    4,111.89x = 6,165.13 × 1,478.08
  4. Step 4: Simplify right side
    4,111.89x = 9,112,555.35
  5. Step 5: Solve for x
    x = 9,112,555.35/4,111.89
  6. Step 6: Final answer
    x = 2,216.15

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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.