Home / 7,137.04-10,688.64-4,169.56

Finding the Fourth Proportional to 7,137.04, 10,688.64 and 4,169.56

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Solution

The fourth proportional to 7,137.04, 10,688.64 and 4,169.56 is: 6,244.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137.04 : 10,688.64 = 4,169.56 : x
  2. Step 2: Convert to fraction form
    7,137.04/10,688.64 = 4,169.56/x
  3. Step 3: Cross multiply
    7,137.04x = 10,688.64 × 4,169.56
  4. Step 4: Simplify right side
    7,137.04x = 44,566,925.80
  5. Step 5: Solve for x
    x = 44,566,925.80/7,137.04
  6. Step 6: Final answer
    x = 6,244.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.