Home / 5,246.64-7,230.60-3,917.16

Finding the Fourth Proportional to 5,246.64, 7,230.60 and 3,917.16

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Solution

The fourth proportional to 5,246.64, 7,230.60 and 3,917.16 is: 5,398.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.64 : 7,230.60 = 3,917.16 : x
  2. Step 2: Convert to fraction form
    5,246.64/7,230.60 = 3,917.16/x
  3. Step 3: Cross multiply
    5,246.64x = 7,230.60 × 3,917.16
  4. Step 4: Simplify right side
    5,246.64x = 28,323,417.10
  5. Step 5: Solve for x
    x = 28,323,417.10/5,246.64
  6. Step 6: Final answer
    x = 5,398.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.