Home / 7,528.50-10,379.67-6,179.10

Finding the Fourth Proportional to 7,528.50, 10,379.67 and 6,179.10

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Solution

The fourth proportional to 7,528.50, 10,379.67 and 6,179.10 is: 8,519.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.50 : 10,379.67 = 6,179.10 : x
  2. Step 2: Convert to fraction form
    7,528.50/10,379.67 = 6,179.10/x
  3. Step 3: Cross multiply
    7,528.50x = 10,379.67 × 6,179.10
  4. Step 4: Simplify right side
    7,528.50x = 64,137,018.90
  5. Step 5: Solve for x
    x = 64,137,018.90/7,528.50
  6. Step 6: Final answer
    x = 8,519.23

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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.