Home / 7,790.80-10,752.32-4,432.96

Finding the Fourth Proportional to 7,790.80, 10,752.32 and 4,432.96

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Solution

The fourth proportional to 7,790.80, 10,752.32 and 4,432.96 is: 6,118.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.80 : 10,752.32 = 4,432.96 : x
  2. Step 2: Convert to fraction form
    7,790.80/10,752.32 = 4,432.96/x
  3. Step 3: Cross multiply
    7,790.80x = 10,752.32 × 4,432.96
  4. Step 4: Simplify right side
    7,790.80x = 47,664,604.47
  5. Step 5: Solve for x
    x = 47,664,604.47/7,790.80
  6. Step 6: Final answer
    x = 6,118.07

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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.