Home / 5,117.18-7,630.72-4,713.26

Finding the Fourth Proportional to 5,117.18, 7,630.72 and 4,713.26

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Solution

The fourth proportional to 5,117.18, 7,630.72 and 4,713.26 is: 7,028.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.18 : 7,630.72 = 4,713.26 : x
  2. Step 2: Convert to fraction form
    5,117.18/7,630.72 = 4,713.26/x
  3. Step 3: Cross multiply
    5,117.18x = 7,630.72 × 4,713.26
  4. Step 4: Simplify right side
    5,117.18x = 35,965,567.35
  5. Step 5: Solve for x
    x = 35,965,567.35/5,117.18
  6. Step 6: Final answer
    x = 7,028.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.