Home / 7,588.44-11,384.10-3,428.40

Finding the Fourth Proportional to 7,588.44, 11,384.10 and 3,428.40

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Solution

The fourth proportional to 7,588.44, 11,384.10 and 3,428.40 is: 5,143.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,588.44 : 11,384.10 = 3,428.40 : x
  2. Step 2: Convert to fraction form
    7,588.44/11,384.10 = 3,428.40/x
  3. Step 3: Cross multiply
    7,588.44x = 11,384.10 × 3,428.40
  4. Step 4: Simplify right side
    7,588.44x = 39,029,248.44
  5. Step 5: Solve for x
    x = 39,029,248.44/7,588.44
  6. Step 6: Final answer
    x = 5,143.25

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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.