Home / 4,439.81-6,647.87-2,875.30

Finding the Fourth Proportional to 4,439.81, 6,647.87 and 2,875.30

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Solution

The fourth proportional to 4,439.81, 6,647.87 and 2,875.30 is: 4,305.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,439.81 : 6,647.87 = 2,875.30 : x
  2. Step 2: Convert to fraction form
    4,439.81/6,647.87 = 2,875.30/x
  3. Step 3: Cross multiply
    4,439.81x = 6,647.87 × 2,875.30
  4. Step 4: Simplify right side
    4,439.81x = 19,114,611.18
  5. Step 5: Solve for x
    x = 19,114,611.18/4,439.81
  6. Step 6: Final answer
    x = 4,305.27

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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.