Home / 4,393.28-6,589.67-1,106.36

Finding the Fourth Proportional to 4,393.28, 6,589.67 and 1,106.36

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Solution

The fourth proportional to 4,393.28, 6,589.67 and 1,106.36 is: 1,659.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,393.28 : 6,589.67 = 1,106.36 : x
  2. Step 2: Convert to fraction form
    4,393.28/6,589.67 = 1,106.36/x
  3. Step 3: Cross multiply
    4,393.28x = 6,589.67 × 1,106.36
  4. Step 4: Simplify right side
    4,393.28x = 7,290,547.30
  5. Step 5: Solve for x
    x = 7,290,547.30/4,393.28
  6. Step 6: Final answer
    x = 1,659.48

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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.