Home / 4,045.64-5,580.12-3,910.16

Finding the Fourth Proportional to 4,045.64, 5,580.12 and 3,910.16

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Solution

The fourth proportional to 4,045.64, 5,580.12 and 3,910.16 is: 5,393.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,045.64 : 5,580.12 = 3,910.16 : x
  2. Step 2: Convert to fraction form
    4,045.64/5,580.12 = 3,910.16/x
  3. Step 3: Cross multiply
    4,045.64x = 5,580.12 × 3,910.16
  4. Step 4: Simplify right side
    4,045.64x = 21,819,162.02
  5. Step 5: Solve for x
    x = 21,819,162.02/4,045.64
  6. Step 6: Final answer
    x = 5,393.25

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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.