Home / 8,556.04-12,828.30-4,390.84

Finding the Fourth Proportional to 8,556.04, 12,828.30 and 4,390.84

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Solution

The fourth proportional to 8,556.04, 12,828.30 and 4,390.84 is: 6,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.04 : 12,828.30 = 4,390.84 : x
  2. Step 2: Convert to fraction form
    8,556.04/12,828.30 = 4,390.84/x
  3. Step 3: Cross multiply
    8,556.04x = 12,828.30 × 4,390.84
  4. Step 4: Simplify right side
    8,556.04x = 56,327,012.77
  5. Step 5: Solve for x
    x = 56,327,012.77/8,556.04
  6. Step 6: Final answer
    x = 6,583.30

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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.