Home / 4,442.80-6,130.20-3,114.40

Finding the Fourth Proportional to 4,442.80, 6,130.20 and 3,114.40

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Solution

The fourth proportional to 4,442.80, 6,130.20 and 3,114.40 is: 4,297.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,442.80 : 6,130.20 = 3,114.40 : x
  2. Step 2: Convert to fraction form
    4,442.80/6,130.20 = 3,114.40/x
  3. Step 3: Cross multiply
    4,442.80x = 6,130.20 × 3,114.40
  4. Step 4: Simplify right side
    4,442.80x = 19,091,894.88
  5. Step 5: Solve for x
    x = 19,091,894.88/4,442.80
  6. Step 6: Final answer
    x = 4,297.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.