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Finding the Fourth Proportional to 4,386.07, 6,579.10 and 1,099.16

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Solution

The fourth proportional to 4,386.07, 6,579.10 and 1,099.16 is: 1,648.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,386.07 : 6,579.10 = 1,099.16 : x
  2. Step 2: Convert to fraction form
    4,386.07/6,579.10 = 1,099.16/x
  3. Step 3: Cross multiply
    4,386.07x = 6,579.10 × 1,099.16
  4. Step 4: Simplify right side
    4,386.07x = 7,231,483.56
  5. Step 5: Solve for x
    x = 7,231,483.56/4,386.07
  6. Step 6: Final answer
    x = 1,648.74

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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.