Home / 5,428.94-7,492.07-3,038.90

Finding the Fourth Proportional to 5,428.94, 7,492.07 and 3,038.90

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Solution

The fourth proportional to 5,428.94, 7,492.07 and 3,038.90 is: 4,193.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428.94 : 7,492.07 = 3,038.90 : x
  2. Step 2: Convert to fraction form
    5,428.94/7,492.07 = 3,038.90/x
  3. Step 3: Cross multiply
    5,428.94x = 7,492.07 × 3,038.90
  4. Step 4: Simplify right side
    5,428.94x = 22,767,621.66
  5. Step 5: Solve for x
    x = 22,767,621.66/5,428.94
  6. Step 6: Final answer
    x = 4,193.75

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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.