Home / 4,987.30-7,480.95-1,704.10

Finding the Fourth Proportional to 4,987.30, 7,480.95 and 1,704.10

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Solution

The fourth proportional to 4,987.30, 7,480.95 and 1,704.10 is: 2,556.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.30 : 7,480.95 = 1,704.10 : x
  2. Step 2: Convert to fraction form
    4,987.30/7,480.95 = 1,704.10/x
  3. Step 3: Cross multiply
    4,987.30x = 7,480.95 × 1,704.10
  4. Step 4: Simplify right side
    4,987.30x = 12,748,286.90
  5. Step 5: Solve for x
    x = 12,748,286.90/4,987.30
  6. Step 6: Final answer
    x = 2,556.15

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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.