Home / 9,008.90-13,513.40-4,072.76

Finding the Fourth Proportional to 9,008.90, 13,513.40 and 4,072.76

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Solution

The fourth proportional to 9,008.90, 13,513.40 and 4,072.76 is: 6,109.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,008.90 : 13,513.40 = 4,072.76 : x
  2. Step 2: Convert to fraction form
    9,008.90/13,513.40 = 4,072.76/x
  3. Step 3: Cross multiply
    9,008.90x = 13,513.40 × 4,072.76
  4. Step 4: Simplify right side
    9,008.90x = 55,036,834.98
  5. Step 5: Solve for x
    x = 55,036,834.98/9,008.90
  6. Step 6: Final answer
    x = 6,109.16

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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.