Home / 4,689.32-7,033.98-1,226.56

Finding the Fourth Proportional to 4,689.32, 7,033.98 and 1,226.56

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Solution

The fourth proportional to 4,689.32, 7,033.98 and 1,226.56 is: 1,839.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.32 : 7,033.98 = 1,226.56 : x
  2. Step 2: Convert to fraction form
    4,689.32/7,033.98 = 1,226.56/x
  3. Step 3: Cross multiply
    4,689.32x = 7,033.98 × 1,226.56
  4. Step 4: Simplify right side
    4,689.32x = 8,627,598.51
  5. Step 5: Solve for x
    x = 8,627,598.51/4,689.32
  6. Step 6: Final answer
    x = 1,839.84

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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.