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Finding the Fourth Proportional to 7,253.91, 10,859.00 and 4,780.98

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Solution

The fourth proportional to 7,253.91, 10,859.00 and 4,780.98 is: 7,157.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,253.91 : 10,859.00 = 4,780.98 : x
  2. Step 2: Convert to fraction form
    7,253.91/10,859.00 = 4,780.98/x
  3. Step 3: Cross multiply
    7,253.91x = 10,859.00 × 4,780.98
  4. Step 4: Simplify right side
    7,253.91x = 51,916,637.92
  5. Step 5: Solve for x
    x = 51,916,637.92/7,253.91
  6. Step 6: Final answer
    x = 7,157.06

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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.