Home / 4,399.40-6,070.80-2,511.20

Finding the Fourth Proportional to 4,399.40, 6,070.80 and 2,511.20

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Solution

The fourth proportional to 4,399.40, 6,070.80 and 2,511.20 is: 3,465.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,399.40 : 6,070.80 = 2,511.20 : x
  2. Step 2: Convert to fraction form
    4,399.40/6,070.80 = 2,511.20/x
  3. Step 3: Cross multiply
    4,399.40x = 6,070.80 × 2,511.20
  4. Step 4: Simplify right side
    4,399.40x = 15,244,992.96
  5. Step 5: Solve for x
    x = 15,244,992.96/4,399.40
  6. Step 6: Final answer
    x = 3,465.24

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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.