Home / 4,308.64-6,457.92-1,712.32

Finding the Fourth Proportional to 4,308.64, 6,457.92 and 1,712.32

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Solution

The fourth proportional to 4,308.64, 6,457.92 and 1,712.32 is: 2,566.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,308.64 : 6,457.92 = 1,712.32 : x
  2. Step 2: Convert to fraction form
    4,308.64/6,457.92 = 1,712.32/x
  3. Step 3: Cross multiply
    4,308.64x = 6,457.92 × 1,712.32
  4. Step 4: Simplify right side
    4,308.64x = 11,058,025.57
  5. Step 5: Solve for x
    x = 11,058,025.57/4,308.64
  6. Step 6: Final answer
    x = 2,566.48

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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.