Home / 4,750.35-7,117.72-1,628.65

Finding the Fourth Proportional to 4,750.35, 7,117.72 and 1,628.65

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Solution

The fourth proportional to 4,750.35, 7,117.72 and 1,628.65 is: 2,440.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,750.35 : 7,117.72 = 1,628.65 : x
  2. Step 2: Convert to fraction form
    4,750.35/7,117.72 = 1,628.65/x
  3. Step 3: Cross multiply
    4,750.35x = 7,117.72 × 1,628.65
  4. Step 4: Simplify right side
    4,750.35x = 11,592,274.68
  5. Step 5: Solve for x
    x = 11,592,274.68/4,750.35
  6. Step 6: Final answer
    x = 2,440.30

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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.