Home / 7,409.81-10,221.50-4,757.62

Finding the Fourth Proportional to 7,409.81, 10,221.50 and 4,757.62

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Solution

The fourth proportional to 7,409.81, 10,221.50 and 4,757.62 is: 6,562.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409.81 : 10,221.50 = 4,757.62 : x
  2. Step 2: Convert to fraction form
    7,409.81/10,221.50 = 4,757.62/x
  3. Step 3: Cross multiply
    7,409.81x = 10,221.50 × 4,757.62
  4. Step 4: Simplify right side
    7,409.81x = 48,630,012.83
  5. Step 5: Solve for x
    x = 48,630,012.83/7,409.81
  6. Step 6: Final answer
    x = 6,562.92

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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.