Home / 4,521.36-6,783.10-1,401.20

Finding the Fourth Proportional to 4,521.36, 6,783.10 and 1,401.20

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Solution

The fourth proportional to 4,521.36, 6,783.10 and 1,401.20 is: 2,102.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,521.36 : 6,783.10 = 1,401.20 : x
  2. Step 2: Convert to fraction form
    4,521.36/6,783.10 = 1,401.20/x
  3. Step 3: Cross multiply
    4,521.36x = 6,783.10 × 1,401.20
  4. Step 4: Simplify right side
    4,521.36x = 9,504,493.17
  5. Step 5: Solve for x
    x = 9,504,493.17/4,521.36
  6. Step 6: Final answer
    x = 2,102.13

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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.