Home / 8,859.18-12,227.67-6,740.58

Finding the Fourth Proportional to 8,859.18, 12,227.67 and 6,740.58

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Solution

The fourth proportional to 8,859.18, 12,227.67 and 6,740.58 is: 9,303.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859.18 : 12,227.67 = 6,740.58 : x
  2. Step 2: Convert to fraction form
    8,859.18/12,227.67 = 6,740.58/x
  3. Step 3: Cross multiply
    8,859.18x = 12,227.67 × 6,740.58
  4. Step 4: Simplify right side
    8,859.18x = 82,421,587.85
  5. Step 5: Solve for x
    x = 82,421,587.85/8,859.18
  6. Step 6: Final answer
    x = 9,303.52

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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.