Home / 8,715.11-12,026.22-4,938.35

Finding the Fourth Proportional to 8,715.11, 12,026.22 and 4,938.35

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Solution

The fourth proportional to 8,715.11, 12,026.22 and 4,938.35 is: 6,814.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,715.11 : 12,026.22 = 4,938.35 : x
  2. Step 2: Convert to fraction form
    8,715.11/12,026.22 = 4,938.35/x
  3. Step 3: Cross multiply
    8,715.11x = 12,026.22 × 4,938.35
  4. Step 4: Simplify right side
    8,715.11x = 59,389,683.54
  5. Step 5: Solve for x
    x = 59,389,683.54/8,715.11
  6. Step 6: Final answer
    x = 6,814.56

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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.