Home / 5,447.15-7,516.18-3,090.05

Finding the Fourth Proportional to 5,447.15, 7,516.18 and 3,090.05

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Solution

The fourth proportional to 5,447.15, 7,516.18 and 3,090.05 is: 4,263.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.15 : 7,516.18 = 3,090.05 : x
  2. Step 2: Convert to fraction form
    5,447.15/7,516.18 = 3,090.05/x
  3. Step 3: Cross multiply
    5,447.15x = 7,516.18 × 3,090.05
  4. Step 4: Simplify right side
    5,447.15x = 23,225,345.49
  5. Step 5: Solve for x
    x = 23,225,345.49/5,447.15
  6. Step 6: Final answer
    x = 4,263.76

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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.