Home / 7,242.67-10,860.36-3,539.35

Finding the Fourth Proportional to 7,242.67, 10,860.36 and 3,539.35

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Solution

The fourth proportional to 7,242.67, 10,860.36 and 3,539.35 is: 5,307.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242.67 : 10,860.36 = 3,539.35 : x
  2. Step 2: Convert to fraction form
    7,242.67/10,860.36 = 3,539.35/x
  3. Step 3: Cross multiply
    7,242.67x = 10,860.36 × 3,539.35
  4. Step 4: Simplify right side
    7,242.67x = 38,438,615.17
  5. Step 5: Solve for x
    x = 38,438,615.17/7,242.67
  6. Step 6: Final answer
    x = 5,307.24

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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.