Home / 7,680.08-10,599.12-4,450.96

Finding the Fourth Proportional to 7,680.08, 10,599.12 and 4,450.96

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Solution

The fourth proportional to 7,680.08, 10,599.12 and 4,450.96 is: 6,142.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680.08 : 10,599.12 = 4,450.96 : x
  2. Step 2: Convert to fraction form
    7,680.08/10,599.12 = 4,450.96/x
  3. Step 3: Cross multiply
    7,680.08x = 10,599.12 × 4,450.96
  4. Step 4: Simplify right side
    7,680.08x = 47,176,259.16
  5. Step 5: Solve for x
    x = 47,176,259.16/7,680.08
  6. Step 6: Final answer
    x = 6,142.68

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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.