Home / 4,772.18-7,159.49-1,485.30

Finding the Fourth Proportional to 4,772.18, 7,159.49 and 1,485.30

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Solution

The fourth proportional to 4,772.18, 7,159.49 and 1,485.30 is: 2,228.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,772.18 : 7,159.49 = 1,485.30 : x
  2. Step 2: Convert to fraction form
    4,772.18/7,159.49 = 1,485.30/x
  3. Step 3: Cross multiply
    4,772.18x = 7,159.49 × 1,485.30
  4. Step 4: Simplify right side
    4,772.18x = 10,633,994.21
  5. Step 5: Solve for x
    x = 10,633,994.21/4,772.18
  6. Step 6: Final answer
    x = 2,228.33

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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.