Home / 7,613.61-10,513.25-6,361.35

Finding the Fourth Proportional to 7,613.61, 10,513.25 and 6,361.35

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Solution

The fourth proportional to 7,613.61, 10,513.25 and 6,361.35 is: 8,784.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,613.61 : 10,513.25 = 6,361.35 : x
  2. Step 2: Convert to fraction form
    7,613.61/10,513.25 = 6,361.35/x
  3. Step 3: Cross multiply
    7,613.61x = 10,513.25 × 6,361.35
  4. Step 4: Simplify right side
    7,613.61x = 66,878,431.08
  5. Step 5: Solve for x
    x = 66,878,431.08/7,613.61
  6. Step 6: Final answer
    x = 8,784.06

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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.