Home / 4,111.04-6,165.63-1,188.70

Finding the Fourth Proportional to 4,111.04, 6,165.63 and 1,188.70

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Solution

The fourth proportional to 4,111.04, 6,165.63 and 1,188.70 is: 1,782.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111.04 : 6,165.63 = 1,188.70 : x
  2. Step 2: Convert to fraction form
    4,111.04/6,165.63 = 1,188.70/x
  3. Step 3: Cross multiply
    4,111.04x = 6,165.63 × 1,188.70
  4. Step 4: Simplify right side
    4,111.04x = 7,329,084.38
  5. Step 5: Solve for x
    x = 7,329,084.38/4,111.04
  6. Step 6: Final answer
    x = 1,782.78

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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.