Home / 5,313.48-7,331.25-3,635.40

Finding the Fourth Proportional to 5,313.48, 7,331.25 and 3,635.40

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Solution

The fourth proportional to 5,313.48, 7,331.25 and 3,635.40 is: 5,015.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.48 : 7,331.25 = 3,635.40 : x
  2. Step 2: Convert to fraction form
    5,313.48/7,331.25 = 3,635.40/x
  3. Step 3: Cross multiply
    5,313.48x = 7,331.25 × 3,635.40
  4. Step 4: Simplify right side
    5,313.48x = 26,652,026.25
  5. Step 5: Solve for x
    x = 26,652,026.25/5,313.48
  6. Step 6: Final answer
    x = 5,015.93

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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.