Home / 4,455.36-6,689.04-3,001.20

Finding the Fourth Proportional to 4,455.36, 6,689.04 and 3,001.20

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Solution

The fourth proportional to 4,455.36, 6,689.04 and 3,001.20 is: 4,505.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.36 : 6,689.04 = 3,001.20 : x
  2. Step 2: Convert to fraction form
    4,455.36/6,689.04 = 3,001.20/x
  3. Step 3: Cross multiply
    4,455.36x = 6,689.04 × 3,001.20
  4. Step 4: Simplify right side
    4,455.36x = 20,075,146.85
  5. Step 5: Solve for x
    x = 20,075,146.85/4,455.36
  6. Step 6: Final answer
    x = 4,505.84

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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.