Home / 4,102.10-6,154.13-1,328.77

Finding the Fourth Proportional to 4,102.10, 6,154.13 and 1,328.77

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Solution

The fourth proportional to 4,102.10, 6,154.13 and 1,328.77 is: 1,993.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.10 : 6,154.13 = 1,328.77 : x
  2. Step 2: Convert to fraction form
    4,102.10/6,154.13 = 1,328.77/x
  3. Step 3: Cross multiply
    4,102.10x = 6,154.13 × 1,328.77
  4. Step 4: Simplify right side
    4,102.10x = 8,177,423.32
  5. Step 5: Solve for x
    x = 8,177,423.32/4,102.10
  6. Step 6: Final answer
    x = 1,993.47

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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.