Home / 4,308.16-6,457.92-2,113.60

Finding the Fourth Proportional to 4,308.16, 6,457.92 and 2,113.60

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Solution

The fourth proportional to 4,308.16, 6,457.92 and 2,113.60 is: 3,168.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,308.16 : 6,457.92 = 2,113.60 : x
  2. Step 2: Convert to fraction form
    4,308.16/6,457.92 = 2,113.60/x
  3. Step 3: Cross multiply
    4,308.16x = 6,457.92 × 2,113.60
  4. Step 4: Simplify right side
    4,308.16x = 13,649,459.71
  5. Step 5: Solve for x
    x = 13,649,459.71/4,308.16
  6. Step 6: Final answer
    x = 3,168.28

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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.