Home / 4,420.32-6,626.28-1,645.10

Finding the Fourth Proportional to 4,420.32, 6,626.28 and 1,645.10

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Solution

The fourth proportional to 4,420.32, 6,626.28 and 1,645.10 is: 2,466.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420.32 : 6,626.28 = 1,645.10 : x
  2. Step 2: Convert to fraction form
    4,420.32/6,626.28 = 1,645.10/x
  3. Step 3: Cross multiply
    4,420.32x = 6,626.28 × 1,645.10
  4. Step 4: Simplify right side
    4,420.32x = 10,900,893.23
  5. Step 5: Solve for x
    x = 10,900,893.23/4,420.32
  6. Step 6: Final answer
    x = 2,466.09

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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.