Home / 5,394.02-7,441.74-3,981.11

Finding the Fourth Proportional to 5,394.02, 7,441.74 and 3,981.11

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Solution

The fourth proportional to 5,394.02, 7,441.74 and 3,981.11 is: 5,492.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,394.02 : 7,441.74 = 3,981.11 : x
  2. Step 2: Convert to fraction form
    5,394.02/7,441.74 = 3,981.11/x
  3. Step 3: Cross multiply
    5,394.02x = 7,441.74 × 3,981.11
  4. Step 4: Simplify right side
    5,394.02x = 29,626,348.32
  5. Step 5: Solve for x
    x = 29,626,348.32/5,394.02
  6. Step 6: Final answer
    x = 5,492.45

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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.