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Finding the Fourth Proportional to 4,478.84, 6,709.02 and 2,624.33

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Solution

The fourth proportional to 4,478.84, 6,709.02 and 2,624.33 is: 3,931.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.84 : 6,709.02 = 2,624.33 : x
  2. Step 2: Convert to fraction form
    4,478.84/6,709.02 = 2,624.33/x
  3. Step 3: Cross multiply
    4,478.84x = 6,709.02 × 2,624.33
  4. Step 4: Simplify right side
    4,478.84x = 17,606,648.91
  5. Step 5: Solve for x
    x = 17,606,648.91/4,478.84
  6. Step 6: Final answer
    x = 3,931.07

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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.