Home / 4,886.76-7,329.60-1,424.28

Finding the Fourth Proportional to 4,886.76, 7,329.60 and 1,424.28

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Solution

The fourth proportional to 4,886.76, 7,329.60 and 1,424.28 is: 2,136.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.76 : 7,329.60 = 1,424.28 : x
  2. Step 2: Convert to fraction form
    4,886.76/7,329.60 = 1,424.28/x
  3. Step 3: Cross multiply
    4,886.76x = 7,329.60 × 1,424.28
  4. Step 4: Simplify right side
    4,886.76x = 10,439,402.69
  5. Step 5: Solve for x
    x = 10,439,402.69/4,886.76
  6. Step 6: Final answer
    x = 2,136.26

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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.