Home / 7,670.43-11,498.36-4,889.30

Finding the Fourth Proportional to 7,670.43, 11,498.36 and 4,889.30

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Solution

The fourth proportional to 7,670.43, 11,498.36 and 4,889.30 is: 7,329.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,670.43 : 11,498.36 = 4,889.30 : x
  2. Step 2: Convert to fraction form
    7,670.43/11,498.36 = 4,889.30/x
  3. Step 3: Cross multiply
    7,670.43x = 11,498.36 × 4,889.30
  4. Step 4: Simplify right side
    7,670.43x = 56,218,849.61
  5. Step 5: Solve for x
    x = 56,218,849.61/7,670.43
  6. Step 6: Final answer
    x = 7,329.30

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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.