Home / 4,726.22-7,089.30-1,439.32

Finding the Fourth Proportional to 4,726.22, 7,089.30 and 1,439.32

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Solution

The fourth proportional to 4,726.22, 7,089.30 and 1,439.32 is: 2,158.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,726.22 : 7,089.30 = 1,439.32 : x
  2. Step 2: Convert to fraction form
    4,726.22/7,089.30 = 1,439.32/x
  3. Step 3: Cross multiply
    4,726.22x = 7,089.30 × 1,439.32
  4. Step 4: Simplify right side
    4,726.22x = 10,203,762.80
  5. Step 5: Solve for x
    x = 10,203,762.80/4,726.22
  6. Step 6: Final answer
    x = 2,158.97

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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.