Home / 6,520.80-8,992.64-4,363.52

Finding the Fourth Proportional to 6,520.80, 8,992.64 and 4,363.52

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Solution

The fourth proportional to 6,520.80, 8,992.64 and 4,363.52 is: 6,017.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.80 : 8,992.64 = 4,363.52 : x
  2. Step 2: Convert to fraction form
    6,520.80/8,992.64 = 4,363.52/x
  3. Step 3: Cross multiply
    6,520.80x = 8,992.64 × 4,363.52
  4. Step 4: Simplify right side
    6,520.80x = 39,239,564.49
  5. Step 5: Solve for x
    x = 39,239,564.49/6,520.80
  6. Step 6: Final answer
    x = 6,017.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.