Home / 5,628.08-8,442.12-3,436.30

Finding the Fourth Proportional to 5,628.08, 8,442.12 and 3,436.30

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Solution

The fourth proportional to 5,628.08, 8,442.12 and 3,436.30 is: 5,154.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.08 : 8,442.12 = 3,436.30 : x
  2. Step 2: Convert to fraction form
    5,628.08/8,442.12 = 3,436.30/x
  3. Step 3: Cross multiply
    5,628.08x = 8,442.12 × 3,436.30
  4. Step 4: Simplify right side
    5,628.08x = 29,009,656.96
  5. Step 5: Solve for x
    x = 29,009,656.96/5,628.08
  6. Step 6: Final answer
    x = 5,154.45

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Similar ratio
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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.