Home / 9,087.21-12,527.55-6,429.96

Finding the Fourth Proportional to 9,087.21, 12,527.55 and 6,429.96

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Solution

The fourth proportional to 9,087.21, 12,527.55 and 6,429.96 is: 8,864.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,087.21 : 12,527.55 = 6,429.96 : x
  2. Step 2: Convert to fraction form
    9,087.21/12,527.55 = 6,429.96/x
  3. Step 3: Cross multiply
    9,087.21x = 12,527.55 × 6,429.96
  4. Step 4: Simplify right side
    9,087.21x = 80,551,645.40
  5. Step 5: Solve for x
    x = 80,551,645.40/9,087.21
  6. Step 6: Final answer
    x = 8,864.29

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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.