Home / 7,184.19-9,915.37-4,199.45

Finding the Fourth Proportional to 7,184.19, 9,915.37 and 4,199.45

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Solution

The fourth proportional to 7,184.19, 9,915.37 and 4,199.45 is: 5,795.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,184.19 : 9,915.37 = 4,199.45 : x
  2. Step 2: Convert to fraction form
    7,184.19/9,915.37 = 4,199.45/x
  3. Step 3: Cross multiply
    7,184.19x = 9,915.37 × 4,199.45
  4. Step 4: Simplify right side
    7,184.19x = 41,639,040.47
  5. Step 5: Solve for x
    x = 41,639,040.47/7,184.19
  6. Step 6: Final answer
    x = 5,795.92

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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.