Home / 9,050.42-12,506.74-6,808.40

Finding the Fourth Proportional to 9,050.42, 12,506.74 and 6,808.40

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Solution

The fourth proportional to 9,050.42, 12,506.74 and 6,808.40 is: 9,408.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,050.42 : 12,506.74 = 6,808.40 : x
  2. Step 2: Convert to fraction form
    9,050.42/12,506.74 = 6,808.40/x
  3. Step 3: Cross multiply
    9,050.42x = 12,506.74 × 6,808.40
  4. Step 4: Simplify right side
    9,050.42x = 85,150,911.95
  5. Step 5: Solve for x
    x = 85,150,911.95/9,050.42
  6. Step 6: Final answer
    x = 9,408.50

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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.