Home / 5,307.63-7,961.52-2,020.91

Finding the Fourth Proportional to 5,307.63, 7,961.52 and 2,020.91

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Solution

The fourth proportional to 5,307.63, 7,961.52 and 2,020.91 is: 3,031.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.63 : 7,961.52 = 2,020.91 : x
  2. Step 2: Convert to fraction form
    5,307.63/7,961.52 = 2,020.91/x
  3. Step 3: Cross multiply
    5,307.63x = 7,961.52 × 2,020.91
  4. Step 4: Simplify right side
    5,307.63x = 16,089,483.15
  5. Step 5: Solve for x
    x = 16,089,483.15/5,307.63
  6. Step 6: Final answer
    x = 3,031.39

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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.