Home / 7,479.28-11,218.98-4,898.56

Finding the Fourth Proportional to 7,479.28, 11,218.98 and 4,898.56

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Solution

The fourth proportional to 7,479.28, 11,218.98 and 4,898.56 is: 7,347.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479.28 : 11,218.98 = 4,898.56 : x
  2. Step 2: Convert to fraction form
    7,479.28/11,218.98 = 4,898.56/x
  3. Step 3: Cross multiply
    7,479.28x = 11,218.98 × 4,898.56
  4. Step 4: Simplify right side
    7,479.28x = 54,956,846.67
  5. Step 5: Solve for x
    x = 54,956,846.67/7,479.28
  6. Step 6: Final answer
    x = 7,347.88

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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.