Home / 7,623.79-10,519.87-4,438.11

Finding the Fourth Proportional to 7,623.79, 10,519.87 and 4,438.11

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Solution

The fourth proportional to 7,623.79, 10,519.87 and 4,438.11 is: 6,124.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.79 : 10,519.87 = 4,438.11 : x
  2. Step 2: Convert to fraction form
    7,623.79/10,519.87 = 4,438.11/x
  3. Step 3: Cross multiply
    7,623.79x = 10,519.87 × 4,438.11
  4. Step 4: Simplify right side
    7,623.79x = 46,688,340.25
  5. Step 5: Solve for x
    x = 46,688,340.25/7,623.79
  6. Step 6: Final answer
    x = 6,124.03

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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.