Home / 9,078.21-12,527.28-5,099.22

Finding the Fourth Proportional to 9,078.21, 12,527.28 and 5,099.22

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Solution

The fourth proportional to 9,078.21, 12,527.28 and 5,099.22 is: 7,036.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078.21 : 12,527.28 = 5,099.22 : x
  2. Step 2: Convert to fraction form
    9,078.21/12,527.28 = 5,099.22/x
  3. Step 3: Cross multiply
    9,078.21x = 12,527.28 × 5,099.22
  4. Step 4: Simplify right side
    9,078.21x = 63,879,356.72
  5. Step 5: Solve for x
    x = 63,879,356.72/9,078.21
  6. Step 6: Final answer
    x = 7,036.56

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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.