Home / 8,443.60-12,666.62-2,898.34

Finding the Fourth Proportional to 8,443.60, 12,666.62 and 2,898.34

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Solution

The fourth proportional to 8,443.60, 12,666.62 and 2,898.34 is: 4,347.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,443.60 : 12,666.62 = 2,898.34 : x
  2. Step 2: Convert to fraction form
    8,443.60/12,666.62 = 2,898.34/x
  3. Step 3: Cross multiply
    8,443.60x = 12,666.62 × 2,898.34
  4. Step 4: Simplify right side
    8,443.60x = 36,712,171.41
  5. Step 5: Solve for x
    x = 36,712,171.41/8,443.60
  6. Step 6: Final answer
    x = 4,347.93

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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.