Home / 7,386.39-10,189.94-4,865.27

Finding the Fourth Proportional to 7,386.39, 10,189.94 and 4,865.27

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Solution

The fourth proportional to 7,386.39, 10,189.94 and 4,865.27 is: 6,711.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.39 : 10,189.94 = 4,865.27 : x
  2. Step 2: Convert to fraction form
    7,386.39/10,189.94 = 4,865.27/x
  3. Step 3: Cross multiply
    7,386.39x = 10,189.94 × 4,865.27
  4. Step 4: Simplify right side
    7,386.39x = 49,576,734.11
  5. Step 5: Solve for x
    x = 49,576,734.11/7,386.39
  6. Step 6: Final answer
    x = 6,711.90

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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.