Home / 7,265.40-10,896.83-3,315.74

Finding the Fourth Proportional to 7,265.40, 10,896.83 and 3,315.74

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Solution

The fourth proportional to 7,265.40, 10,896.83 and 3,315.74 is: 4,973.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,265.40 : 10,896.83 = 3,315.74 : x
  2. Step 2: Convert to fraction form
    7,265.40/10,896.83 = 3,315.74/x
  3. Step 3: Cross multiply
    7,265.40x = 10,896.83 × 3,315.74
  4. Step 4: Simplify right side
    7,265.40x = 36,130,996.48
  5. Step 5: Solve for x
    x = 36,130,996.48/7,265.40
  6. Step 6: Final answer
    x = 4,973.02

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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.