Home / 5,883.12-8,825.04-1,987.20

Finding the Fourth Proportional to 5,883.12, 8,825.04 and 1,987.20

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Solution

The fourth proportional to 5,883.12, 8,825.04 and 1,987.20 is: 2,980.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,883.12 : 8,825.04 = 1,987.20 : x
  2. Step 2: Convert to fraction form
    5,883.12/8,825.04 = 1,987.20/x
  3. Step 3: Cross multiply
    5,883.12x = 8,825.04 × 1,987.20
  4. Step 4: Simplify right side
    5,883.12x = 17,537,119.49
  5. Step 5: Solve for x
    x = 17,537,119.49/5,883.12
  6. Step 6: Final answer
    x = 2,980.92

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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.