Home / 7,039.76-10,559.63-3,240.02

Finding the Fourth Proportional to 7,039.76, 10,559.63 and 3,240.02

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Solution

The fourth proportional to 7,039.76, 10,559.63 and 3,240.02 is: 4,860.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.76 : 10,559.63 = 3,240.02 : x
  2. Step 2: Convert to fraction form
    7,039.76/10,559.63 = 3,240.02/x
  3. Step 3: Cross multiply
    7,039.76x = 10,559.63 × 3,240.02
  4. Step 4: Simplify right side
    7,039.76x = 34,213,446.89
  5. Step 5: Solve for x
    x = 34,213,446.89/7,039.76
  6. Step 6: Final answer
    x = 4,860.03

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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.