Home / 9,332.72-14,001.62-2,758.90

Finding the Fourth Proportional to 9,332.72, 14,001.62 and 2,758.90

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Solution

The fourth proportional to 9,332.72, 14,001.62 and 2,758.90 is: 4,139.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,332.72 : 14,001.62 = 2,758.90 : x
  2. Step 2: Convert to fraction form
    9,332.72/14,001.62 = 2,758.90/x
  3. Step 3: Cross multiply
    9,332.72x = 14,001.62 × 2,758.90
  4. Step 4: Simplify right side
    9,332.72x = 38,628,999.41
  5. Step 5: Solve for x
    x = 38,628,999.41/9,332.72
  6. Step 6: Final answer
    x = 4,139.10

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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.