Home / 7,512.88-11,271.84-3,567.28

Finding the Fourth Proportional to 7,512.88, 11,271.84 and 3,567.28

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Solution

The fourth proportional to 7,512.88, 11,271.84 and 3,567.28 is: 5,352.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512.88 : 11,271.84 = 3,567.28 : x
  2. Step 2: Convert to fraction form
    7,512.88/11,271.84 = 3,567.28/x
  3. Step 3: Cross multiply
    7,512.88x = 11,271.84 × 3,567.28
  4. Step 4: Simplify right side
    7,512.88x = 40,209,809.40
  5. Step 5: Solve for x
    x = 40,209,809.40/7,512.88
  6. Step 6: Final answer
    x = 5,352.12

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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.