Home / 6,128.16-9,193.68-2,666.40

Finding the Fourth Proportional to 6,128.16, 9,193.68 and 2,666.40

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Solution

The fourth proportional to 6,128.16, 9,193.68 and 2,666.40 is: 4,000.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128.16 : 9,193.68 = 2,666.40 : x
  2. Step 2: Convert to fraction form
    6,128.16/9,193.68 = 2,666.40/x
  3. Step 3: Cross multiply
    6,128.16x = 9,193.68 × 2,666.40
  4. Step 4: Simplify right side
    6,128.16x = 24,514,028.35
  5. Step 5: Solve for x
    x = 24,514,028.35/6,128.16
  6. Step 6: Final answer
    x = 4,000.23

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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.