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Finding the Fourth Proportional to 6,075.66, 8,388.34 and 5,477.88

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Solution

The fourth proportional to 6,075.66, 8,388.34 and 5,477.88 is: 7,563.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,075.66 : 8,388.34 = 5,477.88 : x
  2. Step 2: Convert to fraction form
    6,075.66/8,388.34 = 5,477.88/x
  3. Step 3: Cross multiply
    6,075.66x = 8,388.34 × 5,477.88
  4. Step 4: Simplify right side
    6,075.66x = 45,950,319.92
  5. Step 5: Solve for x
    x = 45,950,319.92/6,075.66
  6. Step 6: Final answer
    x = 7,563.02

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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.