Home / 9,128.84-12,599.60-5,150.03

Finding the Fourth Proportional to 9,128.84, 12,599.60 and 5,150.03

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Solution

The fourth proportional to 9,128.84, 12,599.60 and 5,150.03 is: 7,108.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128.84 : 12,599.60 = 5,150.03 : x
  2. Step 2: Convert to fraction form
    9,128.84/12,599.60 = 5,150.03/x
  3. Step 3: Cross multiply
    9,128.84x = 12,599.60 × 5,150.03
  4. Step 4: Simplify right side
    9,128.84x = 64,888,229.24
  5. Step 5: Solve for x
    x = 64,888,229.24/9,128.84
  6. Step 6: Final answer
    x = 7,108.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.