Home / 7,513.55-11,274.88-3,130.94

Finding the Fourth Proportional to 7,513.55, 11,274.88 and 3,130.94

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Solution

The fourth proportional to 7,513.55, 11,274.88 and 3,130.94 is: 4,698.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,513.55 : 11,274.88 = 3,130.94 : x
  2. Step 2: Convert to fraction form
    7,513.55/11,274.88 = 3,130.94/x
  3. Step 3: Cross multiply
    7,513.55x = 11,274.88 × 3,130.94
  4. Step 4: Simplify right side
    7,513.55x = 35,300,972.79
  5. Step 5: Solve for x
    x = 35,300,972.79/7,513.55
  6. Step 6: Final answer
    x = 4,698.31

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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.