Home / 7,613.70-10,497.27-4,920.35

Finding the Fourth Proportional to 7,613.70, 10,497.27 and 4,920.35

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Solution

The fourth proportional to 7,613.70, 10,497.27 and 4,920.35 is: 6,783.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,613.70 : 10,497.27 = 4,920.35 : x
  2. Step 2: Convert to fraction form
    7,613.70/10,497.27 = 4,920.35/x
  3. Step 3: Cross multiply
    7,613.70x = 10,497.27 × 4,920.35
  4. Step 4: Simplify right side
    7,613.70x = 51,650,189.96
  5. Step 5: Solve for x
    x = 51,650,189.96/7,613.70
  6. Step 6: Final answer
    x = 6,783.85

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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.