Home / 5,440.02-8,156.79-3,687.18

Finding the Fourth Proportional to 5,440.02, 8,156.79 and 3,687.18

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Solution

The fourth proportional to 5,440.02, 8,156.79 and 3,687.18 is: 5,528.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.02 : 8,156.79 = 3,687.18 : x
  2. Step 2: Convert to fraction form
    5,440.02/8,156.79 = 3,687.18/x
  3. Step 3: Cross multiply
    5,440.02x = 8,156.79 × 3,687.18
  4. Step 4: Simplify right side
    5,440.02x = 30,075,552.95
  5. Step 5: Solve for x
    x = 30,075,552.95/5,440.02
  6. Step 6: Final answer
    x = 5,528.57

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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.