Home / 4,802.85-7,201.40-1,877.67

Finding the Fourth Proportional to 4,802.85, 7,201.40 and 1,877.67

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Solution

The fourth proportional to 4,802.85, 7,201.40 and 1,877.67 is: 2,815.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,802.85 : 7,201.40 = 1,877.67 : x
  2. Step 2: Convert to fraction form
    4,802.85/7,201.40 = 1,877.67/x
  3. Step 3: Cross multiply
    4,802.85x = 7,201.40 × 1,877.67
  4. Step 4: Simplify right side
    4,802.85x = 13,521,843.35
  5. Step 5: Solve for x
    x = 13,521,843.35/4,802.85
  6. Step 6: Final answer
    x = 2,815.38

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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.