Home / 9,085.77-13,628.70-2,511.90

Finding the Fourth Proportional to 9,085.77, 13,628.70 and 2,511.90

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Solution

The fourth proportional to 9,085.77, 13,628.70 and 2,511.90 is: 3,767.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,085.77 : 13,628.70 = 2,511.90 : x
  2. Step 2: Convert to fraction form
    9,085.77/13,628.70 = 2,511.90/x
  3. Step 3: Cross multiply
    9,085.77x = 13,628.70 × 2,511.90
  4. Step 4: Simplify right side
    9,085.77x = 34,233,931.53
  5. Step 5: Solve for x
    x = 34,233,931.53/9,085.77
  6. Step 6: Final answer
    x = 3,767.86

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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.