Home / 7,338.14-10,128.10-4,355.62

Finding the Fourth Proportional to 7,338.14, 10,128.10 and 4,355.62

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Solution

The fourth proportional to 7,338.14, 10,128.10 and 4,355.62 is: 6,011.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.14 : 10,128.10 = 4,355.62 : x
  2. Step 2: Convert to fraction form
    7,338.14/10,128.10 = 4,355.62/x
  3. Step 3: Cross multiply
    7,338.14x = 10,128.10 × 4,355.62
  4. Step 4: Simplify right side
    7,338.14x = 44,114,154.92
  5. Step 5: Solve for x
    x = 44,114,154.92/7,338.14
  6. Step 6: Final answer
    x = 6,011.63

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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.