Home / 7,537.57-11,315.58-7,240.27

Finding the Fourth Proportional to 7,537.57, 11,315.58 and 7,240.27

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Solution

The fourth proportional to 7,537.57, 11,315.58 and 7,240.27 is: 10,869.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,537.57 : 11,315.58 = 7,240.27 : x
  2. Step 2: Convert to fraction form
    7,537.57/11,315.58 = 7,240.27/x
  3. Step 3: Cross multiply
    7,537.57x = 11,315.58 × 7,240.27
  4. Step 4: Simplify right side
    7,537.57x = 81,927,854.41
  5. Step 5: Solve for x
    x = 81,927,854.41/7,537.57
  6. Step 6: Final answer
    x = 10,869.27

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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.