Home / 7,617.72-10,513.26-4,475.64

Finding the Fourth Proportional to 7,617.72, 10,513.26 and 4,475.64

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Solution

The fourth proportional to 7,617.72, 10,513.26 and 4,475.64 is: 6,176.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617.72 : 10,513.26 = 4,475.64 : x
  2. Step 2: Convert to fraction form
    7,617.72/10,513.26 = 4,475.64/x
  3. Step 3: Cross multiply
    7,617.72x = 10,513.26 × 4,475.64
  4. Step 4: Simplify right side
    7,617.72x = 47,053,566.99
  5. Step 5: Solve for x
    x = 47,053,566.99/7,617.72
  6. Step 6: Final answer
    x = 6,176.86

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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.