Home / 5,511.60-8,267.34-1,615.86

Finding the Fourth Proportional to 5,511.60, 8,267.34 and 1,615.86

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Solution

The fourth proportional to 5,511.60, 8,267.34 and 1,615.86 is: 2,423.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.60 : 8,267.34 = 1,615.86 : x
  2. Step 2: Convert to fraction form
    5,511.60/8,267.34 = 1,615.86/x
  3. Step 3: Cross multiply
    5,511.60x = 8,267.34 × 1,615.86
  4. Step 4: Simplify right side
    5,511.60x = 13,358,864.01
  5. Step 5: Solve for x
    x = 13,358,864.01/5,511.60
  6. Step 6: Final answer
    x = 2,423.77

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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.