Home / 8,830.35-13,245.08-2,987.01

Finding the Fourth Proportional to 8,830.35, 13,245.08 and 2,987.01

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Solution

The fourth proportional to 8,830.35, 13,245.08 and 2,987.01 is: 4,480.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,830.35 : 13,245.08 = 2,987.01 : x
  2. Step 2: Convert to fraction form
    8,830.35/13,245.08 = 2,987.01/x
  3. Step 3: Cross multiply
    8,830.35x = 13,245.08 × 2,987.01
  4. Step 4: Simplify right side
    8,830.35x = 39,563,171.48
  5. Step 5: Solve for x
    x = 39,563,171.48/8,830.35
  6. Step 6: Final answer
    x = 4,480.36

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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.