Home / 4,765.16-7,148.40-1,478.52

Finding the Fourth Proportional to 4,765.16, 7,148.40 and 1,478.52

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Solution

The fourth proportional to 4,765.16, 7,148.40 and 1,478.52 is: 2,217.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,765.16 : 7,148.40 = 1,478.52 : x
  2. Step 2: Convert to fraction form
    4,765.16/7,148.40 = 1,478.52/x
  3. Step 3: Cross multiply
    4,765.16x = 7,148.40 × 1,478.52
  4. Step 4: Simplify right side
    4,765.16x = 10,569,052.37
  5. Step 5: Solve for x
    x = 10,569,052.37/4,765.16
  6. Step 6: Final answer
    x = 2,217.98

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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.