Home / 7,135.12-10,703.74-2,456.34

Finding the Fourth Proportional to 7,135.12, 10,703.74 and 2,456.34

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Solution

The fourth proportional to 7,135.12, 10,703.74 and 2,456.34 is: 3,684.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.12 : 10,703.74 = 2,456.34 : x
  2. Step 2: Convert to fraction form
    7,135.12/10,703.74 = 2,456.34/x
  3. Step 3: Cross multiply
    7,135.12x = 10,703.74 × 2,456.34
  4. Step 4: Simplify right side
    7,135.12x = 26,292,024.71
  5. Step 5: Solve for x
    x = 26,292,024.71/7,135.12
  6. Step 6: Final answer
    x = 3,684.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.