Home / 4,395.12-6,065.34-2,405.80

Finding the Fourth Proportional to 4,395.12, 6,065.34 and 2,405.80

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Solution

The fourth proportional to 4,395.12, 6,065.34 and 2,405.80 is: 3,320.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,395.12 : 6,065.34 = 2,405.80 : x
  2. Step 2: Convert to fraction form
    4,395.12/6,065.34 = 2,405.80/x
  3. Step 3: Cross multiply
    4,395.12x = 6,065.34 × 2,405.80
  4. Step 4: Simplify right side
    4,395.12x = 14,591,994.97
  5. Step 5: Solve for x
    x = 14,591,994.97/4,395.12
  6. Step 6: Final answer
    x = 3,320.04

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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.