Home / 5,406.16-7,457.12-4,145.16

Finding the Fourth Proportional to 5,406.16, 7,457.12 and 4,145.16

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Solution

The fourth proportional to 5,406.16, 7,457.12 and 4,145.16 is: 5,717.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.16 : 7,457.12 = 4,145.16 : x
  2. Step 2: Convert to fraction form
    5,406.16/7,457.12 = 4,145.16/x
  3. Step 3: Cross multiply
    5,406.16x = 7,457.12 × 4,145.16
  4. Step 4: Simplify right side
    5,406.16x = 30,910,955.54
  5. Step 5: Solve for x
    x = 30,910,955.54/5,406.16
  6. Step 6: Final answer
    x = 5,717.73

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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.