Home / 4,860.60-7,290.72-1,397.76

Finding the Fourth Proportional to 4,860.60, 7,290.72 and 1,397.76

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Solution

The fourth proportional to 4,860.60, 7,290.72 and 1,397.76 is: 2,096.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860.60 : 7,290.72 = 1,397.76 : x
  2. Step 2: Convert to fraction form
    4,860.60/7,290.72 = 1,397.76/x
  3. Step 3: Cross multiply
    4,860.60x = 7,290.72 × 1,397.76
  4. Step 4: Simplify right side
    4,860.60x = 10,190,676.79
  5. Step 5: Solve for x
    x = 10,190,676.79/4,860.60
  6. Step 6: Final answer
    x = 2,096.59

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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.