Home / 4,386.70-6,579.80-1,099.60

Finding the Fourth Proportional to 4,386.70, 6,579.80 and 1,099.60

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Solution

The fourth proportional to 4,386.70, 6,579.80 and 1,099.60 is: 1,649.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,386.70 : 6,579.80 = 1,099.60 : x
  2. Step 2: Convert to fraction form
    4,386.70/6,579.80 = 1,099.60/x
  3. Step 3: Cross multiply
    4,386.70x = 6,579.80 × 1,099.60
  4. Step 4: Simplify right side
    4,386.70x = 7,235,148.08
  5. Step 5: Solve for x
    x = 7,235,148.08/4,386.70
  6. Step 6: Final answer
    x = 1,649.34

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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.