Home / 7,395.39-10,205.79-4,038.34

Finding the Fourth Proportional to 7,395.39, 10,205.79 and 4,038.34

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Solution

The fourth proportional to 7,395.39, 10,205.79 and 4,038.34 is: 5,572.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,395.39 : 10,205.79 = 4,038.34 : x
  2. Step 2: Convert to fraction form
    7,395.39/10,205.79 = 4,038.34/x
  3. Step 3: Cross multiply
    7,395.39x = 10,205.79 × 4,038.34
  4. Step 4: Simplify right side
    7,395.39x = 41,214,449.99
  5. Step 5: Solve for x
    x = 41,214,449.99/7,395.39
  6. Step 6: Final answer
    x = 5,572.99

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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.