Home / 4,613.48-6,919.29-1,325.80

Finding the Fourth Proportional to 4,613.48, 6,919.29 and 1,325.80

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Solution

The fourth proportional to 4,613.48, 6,919.29 and 1,325.80 is: 1,988.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,613.48 : 6,919.29 = 1,325.80 : x
  2. Step 2: Convert to fraction form
    4,613.48/6,919.29 = 1,325.80/x
  3. Step 3: Cross multiply
    4,613.48x = 6,919.29 × 1,325.80
  4. Step 4: Simplify right side
    4,613.48x = 9,173,594.68
  5. Step 5: Solve for x
    x = 9,173,594.68/4,613.48
  6. Step 6: Final answer
    x = 1,988.43

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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.