Home / 4,461.90-6,690.80-2,613.48

Finding the Fourth Proportional to 4,461.90, 6,690.80 and 2,613.48

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Solution

The fourth proportional to 4,461.90, 6,690.80 and 2,613.48 is: 3,919.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,461.90 : 6,690.80 = 2,613.48 : x
  2. Step 2: Convert to fraction form
    4,461.90/6,690.80 = 2,613.48/x
  3. Step 3: Cross multiply
    4,461.90x = 6,690.80 × 2,613.48
  4. Step 4: Simplify right side
    4,461.90x = 17,486,271.98
  5. Step 5: Solve for x
    x = 17,486,271.98/4,461.90
  6. Step 6: Final answer
    x = 3,919.02

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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.