Home / 4,405.40-6,606.40-1,284.36

Finding the Fourth Proportional to 4,405.40, 6,606.40 and 1,284.36

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Solution

The fourth proportional to 4,405.40, 6,606.40 and 1,284.36 is: 1,926.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.40 : 6,606.40 = 1,284.36 : x
  2. Step 2: Convert to fraction form
    4,405.40/6,606.40 = 1,284.36/x
  3. Step 3: Cross multiply
    4,405.40x = 6,606.40 × 1,284.36
  4. Step 4: Simplify right side
    4,405.40x = 8,484,995.90
  5. Step 5: Solve for x
    x = 8,484,995.90/4,405.40
  6. Step 6: Final answer
    x = 1,926.04

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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.