Home / 4,688.80-7,033.56-1,401.64

Finding the Fourth Proportional to 4,688.80, 7,033.56 and 1,401.64

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Solution

The fourth proportional to 4,688.80, 7,033.56 and 1,401.64 is: 2,102.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.80 : 7,033.56 = 1,401.64 : x
  2. Step 2: Convert to fraction form
    4,688.80/7,033.56 = 1,401.64/x
  3. Step 3: Cross multiply
    4,688.80x = 7,033.56 × 1,401.64
  4. Step 4: Simplify right side
    4,688.80x = 9,858,519.04
  5. Step 5: Solve for x
    x = 9,858,519.04/4,688.80
  6. Step 6: Final answer
    x = 2,102.57

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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.