Home / 6,075.60-8,389.20-3,952.20

Finding the Fourth Proportional to 6,075.60, 8,389.20 and 3,952.20

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Solution

The fourth proportional to 6,075.60, 8,389.20 and 3,952.20 is: 5,457.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,075.60 : 8,389.20 = 3,952.20 : x
  2. Step 2: Convert to fraction form
    6,075.60/8,389.20 = 3,952.20/x
  3. Step 3: Cross multiply
    6,075.60x = 8,389.20 × 3,952.20
  4. Step 4: Simplify right side
    6,075.60x = 33,155,796.24
  5. Step 5: Solve for x
    x = 33,155,796.24/6,075.60
  6. Step 6: Final answer
    x = 5,457.21

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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.