Home / 7,358.28-11,038.50-2,678.64

Finding the Fourth Proportional to 7,358.28, 11,038.50 and 2,678.64

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Solution

The fourth proportional to 7,358.28, 11,038.50 and 2,678.64 is: 4,018.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.28 : 11,038.50 = 2,678.64 : x
  2. Step 2: Convert to fraction form
    7,358.28/11,038.50 = 2,678.64/x
  3. Step 3: Cross multiply
    7,358.28x = 11,038.50 × 2,678.64
  4. Step 4: Simplify right side
    7,358.28x = 29,568,167.64
  5. Step 5: Solve for x
    x = 29,568,167.64/7,358.28
  6. Step 6: Final answer
    x = 4,018.35

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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.