Home / 8,405.22-11,595.76-4,818.18

Finding the Fourth Proportional to 8,405.22, 11,595.76 and 4,818.18

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Solution

The fourth proportional to 8,405.22, 11,595.76 and 4,818.18 is: 6,647.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,405.22 : 11,595.76 = 4,818.18 : x
  2. Step 2: Convert to fraction form
    8,405.22/11,595.76 = 4,818.18/x
  3. Step 3: Cross multiply
    8,405.22x = 11,595.76 × 4,818.18
  4. Step 4: Simplify right side
    8,405.22x = 55,870,458.92
  5. Step 5: Solve for x
    x = 55,870,458.92/8,405.22
  6. Step 6: Final answer
    x = 6,647.11

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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.