Home / 7,756.04-11,615.53-4,240.79

Finding the Fourth Proportional to 7,756.04, 11,615.53 and 4,240.79

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Solution

The fourth proportional to 7,756.04, 11,615.53 and 4,240.79 is: 6,351.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.04 : 11,615.53 = 4,240.79 : x
  2. Step 2: Convert to fraction form
    7,756.04/11,615.53 = 4,240.79/x
  3. Step 3: Cross multiply
    7,756.04x = 11,615.53 × 4,240.79
  4. Step 4: Simplify right side
    7,756.04x = 49,259,023.47
  5. Step 5: Solve for x
    x = 49,259,023.47/7,756.04
  6. Step 6: Final answer
    x = 6,351.05

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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.