Home / 5,103.21-7,042.14-2,864.67

Finding the Fourth Proportional to 5,103.21, 7,042.14 and 2,864.67

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Solution

The fourth proportional to 5,103.21, 7,042.14 and 2,864.67 is: 3,953.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.21 : 7,042.14 = 2,864.67 : x
  2. Step 2: Convert to fraction form
    5,103.21/7,042.14 = 2,864.67/x
  3. Step 3: Cross multiply
    5,103.21x = 7,042.14 × 2,864.67
  4. Step 4: Simplify right side
    5,103.21x = 20,173,407.19
  5. Step 5: Solve for x
    x = 20,173,407.19/5,103.21
  6. Step 6: Final answer
    x = 3,953.08

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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.