Home / 9,089.08-12,530.50-6,823.72

Finding the Fourth Proportional to 9,089.08, 12,530.50 and 6,823.72

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Solution

The fourth proportional to 9,089.08, 12,530.50 and 6,823.72 is: 9,407.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,089.08 : 12,530.50 = 6,823.72 : x
  2. Step 2: Convert to fraction form
    9,089.08/12,530.50 = 6,823.72/x
  3. Step 3: Cross multiply
    9,089.08x = 12,530.50 × 6,823.72
  4. Step 4: Simplify right side
    9,089.08x = 85,504,623.46
  5. Step 5: Solve for x
    x = 85,504,623.46/9,089.08
  6. Step 6: Final answer
    x = 9,407.40

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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.