Home / 7,613.20-10,505.38-4,630.64

Finding the Fourth Proportional to 7,613.20, 10,505.38 and 4,630.64

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Solution

The fourth proportional to 7,613.20, 10,505.38 and 4,630.64 is: 6,389.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,613.20 : 10,505.38 = 4,630.64 : x
  2. Step 2: Convert to fraction form
    7,613.20/10,505.38 = 4,630.64/x
  3. Step 3: Cross multiply
    7,613.20x = 10,505.38 × 4,630.64
  4. Step 4: Simplify right side
    7,613.20x = 48,646,632.84
  5. Step 5: Solve for x
    x = 48,646,632.84/7,613.20
  6. Step 6: Final answer
    x = 6,389.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.