Home / 7,125.21-9,832.28-4,292.01

Finding the Fourth Proportional to 7,125.21, 9,832.28 and 4,292.01

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Solution

The fourth proportional to 7,125.21, 9,832.28 and 4,292.01 is: 5,922.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125.21 : 9,832.28 = 4,292.01 : x
  2. Step 2: Convert to fraction form
    7,125.21/9,832.28 = 4,292.01/x
  3. Step 3: Cross multiply
    7,125.21x = 9,832.28 × 4,292.01
  4. Step 4: Simplify right side
    7,125.21x = 42,200,222.62
  5. Step 5: Solve for x
    x = 42,200,222.62/7,125.21
  6. Step 6: Final answer
    x = 5,922.66

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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.