Home / 5,559.40-8,339.10-2,271.40

Finding the Fourth Proportional to 5,559.40, 8,339.10 and 2,271.40

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Solution

The fourth proportional to 5,559.40, 8,339.10 and 2,271.40 is: 3,407.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,559.40 : 8,339.10 = 2,271.40 : x
  2. Step 2: Convert to fraction form
    5,559.40/8,339.10 = 2,271.40/x
  3. Step 3: Cross multiply
    5,559.40x = 8,339.10 × 2,271.40
  4. Step 4: Simplify right side
    5,559.40x = 18,941,431.74
  5. Step 5: Solve for x
    x = 18,941,431.74/5,559.40
  6. Step 6: Final answer
    x = 3,407.10

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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.