Home / 8,445.08-12,667.87-2,898.34

Finding the Fourth Proportional to 8,445.08, 12,667.87 and 2,898.34

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Solution

The fourth proportional to 8,445.08, 12,667.87 and 2,898.34 is: 4,347.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.08 : 12,667.87 = 2,898.34 : x
  2. Step 2: Convert to fraction form
    8,445.08/12,667.87 = 2,898.34/x
  3. Step 3: Cross multiply
    8,445.08x = 12,667.87 × 2,898.34
  4. Step 4: Simplify right side
    8,445.08x = 36,715,794.34
  5. Step 5: Solve for x
    x = 36,715,794.34/8,445.08
  6. Step 6: Final answer
    x = 4,347.60

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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.