Home / 4,886.20-7,321.20-4,594.60

Finding the Fourth Proportional to 4,886.20, 7,321.20 and 4,594.60

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Solution

The fourth proportional to 4,886.20, 7,321.20 and 4,594.60 is: 6,884.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.20 : 7,321.20 = 4,594.60 : x
  2. Step 2: Convert to fraction form
    4,886.20/7,321.20 = 4,594.60/x
  3. Step 3: Cross multiply
    4,886.20x = 7,321.20 × 4,594.60
  4. Step 4: Simplify right side
    4,886.20x = 33,637,985.52
  5. Step 5: Solve for x
    x = 33,637,985.52/4,886.20
  6. Step 6: Final answer
    x = 6,884.28

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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.