Home / 8,564.04-12,840.30-4,398.84

Finding the Fourth Proportional to 8,564.04, 12,840.30 and 4,398.84

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Solution

The fourth proportional to 8,564.04, 12,840.30 and 4,398.84 is: 6,595.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,564.04 : 12,840.30 = 4,398.84 : x
  2. Step 2: Convert to fraction form
    8,564.04/12,840.30 = 4,398.84/x
  3. Step 3: Cross multiply
    8,564.04x = 12,840.30 × 4,398.84
  4. Step 4: Simplify right side
    8,564.04x = 56,482,425.25
  5. Step 5: Solve for x
    x = 56,482,425.25/8,564.04
  6. Step 6: Final answer
    x = 6,595.30

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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.