Home / 4,389.66-6,580.62-2,195.28

Finding the Fourth Proportional to 4,389.66, 6,580.62 and 2,195.28

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Solution

The fourth proportional to 4,389.66, 6,580.62 and 2,195.28 is: 3,290.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,389.66 : 6,580.62 = 2,195.28 : x
  2. Step 2: Convert to fraction form
    4,389.66/6,580.62 = 2,195.28/x
  3. Step 3: Cross multiply
    4,389.66x = 6,580.62 × 2,195.28
  4. Step 4: Simplify right side
    4,389.66x = 14,446,303.47
  5. Step 5: Solve for x
    x = 14,446,303.47/4,389.66
  6. Step 6: Final answer
    x = 3,290.98

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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.