Home / 8,276.37-11,421.29-6,161.35

Finding the Fourth Proportional to 8,276.37, 11,421.29 and 6,161.35

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Solution

The fourth proportional to 8,276.37, 11,421.29 and 6,161.35 is: 8,502.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.37 : 11,421.29 = 6,161.35 : x
  2. Step 2: Convert to fraction form
    8,276.37/11,421.29 = 6,161.35/x
  3. Step 3: Cross multiply
    8,276.37x = 11,421.29 × 6,161.35
  4. Step 4: Simplify right side
    8,276.37x = 70,370,565.14
  5. Step 5: Solve for x
    x = 70,370,565.14/8,276.37
  6. Step 6: Final answer
    x = 8,502.59

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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.