Home / 5,987.06-8,980.58-1,604.40

Finding the Fourth Proportional to 5,987.06, 8,980.58 and 1,604.40

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Solution

The fourth proportional to 5,987.06, 8,980.58 and 1,604.40 is: 2,406.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987.06 : 8,980.58 = 1,604.40 : x
  2. Step 2: Convert to fraction form
    5,987.06/8,980.58 = 1,604.40/x
  3. Step 3: Cross multiply
    5,987.06x = 8,980.58 × 1,604.40
  4. Step 4: Simplify right side
    5,987.06x = 14,408,442.55
  5. Step 5: Solve for x
    x = 14,408,442.55/5,987.06
  6. Step 6: Final answer
    x = 2,406.60

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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.