Home / 4,852.80-7,278.72-1,930.32

Finding the Fourth Proportional to 4,852.80, 7,278.72 and 1,930.32

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Solution

The fourth proportional to 4,852.80, 7,278.72 and 1,930.32 is: 2,895.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,852.80 : 7,278.72 = 1,930.32 : x
  2. Step 2: Convert to fraction form
    4,852.80/7,278.72 = 1,930.32/x
  3. Step 3: Cross multiply
    4,852.80x = 7,278.72 × 1,930.32
  4. Step 4: Simplify right side
    4,852.80x = 14,050,258.79
  5. Step 5: Solve for x
    x = 14,050,258.79/4,852.80
  6. Step 6: Final answer
    x = 2,895.29

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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.