Home / 5,241.81-7,859.07-1,954.02

Finding the Fourth Proportional to 5,241.81, 7,859.07 and 1,954.02

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Solution

The fourth proportional to 5,241.81, 7,859.07 and 1,954.02 is: 2,929.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,241.81 : 7,859.07 = 1,954.02 : x
  2. Step 2: Convert to fraction form
    5,241.81/7,859.07 = 1,954.02/x
  3. Step 3: Cross multiply
    5,241.81x = 7,859.07 × 1,954.02
  4. Step 4: Simplify right side
    5,241.81x = 15,356,779.96
  5. Step 5: Solve for x
    x = 15,356,779.96/5,241.81
  6. Step 6: Final answer
    x = 2,929.67

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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.