Home / 5,428.89-7,492.01-3,038.79

Finding the Fourth Proportional to 5,428.89, 7,492.01 and 3,038.79

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Solution

The fourth proportional to 5,428.89, 7,492.01 and 3,038.79 is: 4,193.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428.89 : 7,492.01 = 3,038.79 : x
  2. Step 2: Convert to fraction form
    5,428.89/7,492.01 = 3,038.79/x
  3. Step 3: Cross multiply
    5,428.89x = 7,492.01 × 3,038.79
  4. Step 4: Simplify right side
    5,428.89x = 22,766,645.07
  5. Step 5: Solve for x
    x = 22,766,645.07/5,428.89
  6. Step 6: Final answer
    x = 4,193.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.