Home / 9,117.42-13,676.13-2,877.45

Finding the Fourth Proportional to 9,117.42, 13,676.13 and 2,877.45

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Solution

The fourth proportional to 9,117.42, 13,676.13 and 2,877.45 is: 4,316.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.42 : 13,676.13 = 2,877.45 : x
  2. Step 2: Convert to fraction form
    9,117.42/13,676.13 = 2,877.45/x
  3. Step 3: Cross multiply
    9,117.42x = 13,676.13 × 2,877.45
  4. Step 4: Simplify right side
    9,117.42x = 39,352,380.27
  5. Step 5: Solve for x
    x = 39,352,380.27/9,117.42
  6. Step 6: Final answer
    x = 4,316.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.