Home / 4,298.08-6,447.12-2,109.48

Finding the Fourth Proportional to 4,298.08, 6,447.12 and 2,109.48

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Solution

The fourth proportional to 4,298.08, 6,447.12 and 2,109.48 is: 3,164.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,298.08 : 6,447.12 = 2,109.48 : x
  2. Step 2: Convert to fraction form
    4,298.08/6,447.12 = 2,109.48/x
  3. Step 3: Cross multiply
    4,298.08x = 6,447.12 × 2,109.48
  4. Step 4: Simplify right side
    4,298.08x = 13,600,070.70
  5. Step 5: Solve for x
    x = 13,600,070.70/4,298.08
  6. Step 6: Final answer
    x = 3,164.22

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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.