Home / 7,512.07-11,260.16-2,830.05

Finding the Fourth Proportional to 7,512.07, 11,260.16 and 2,830.05

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Solution

The fourth proportional to 7,512.07, 11,260.16 and 2,830.05 is: 4,242.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512.07 : 11,260.16 = 2,830.05 : x
  2. Step 2: Convert to fraction form
    7,512.07/11,260.16 = 2,830.05/x
  3. Step 3: Cross multiply
    7,512.07x = 11,260.16 × 2,830.05
  4. Step 4: Simplify right side
    7,512.07x = 31,866,836.88
  5. Step 5: Solve for x
    x = 31,866,836.88/7,512.07
  6. Step 6: Final answer
    x = 4,242.08

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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.