Home / 7,713.40-10,644.48-4,176.61

Finding the Fourth Proportional to 7,713.40, 10,644.48 and 4,176.61

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Solution

The fourth proportional to 7,713.40, 10,644.48 and 4,176.61 is: 5,763.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,713.40 : 10,644.48 = 4,176.61 : x
  2. Step 2: Convert to fraction form
    7,713.40/10,644.48 = 4,176.61/x
  3. Step 3: Cross multiply
    7,713.40x = 10,644.48 × 4,176.61
  4. Step 4: Simplify right side
    7,713.40x = 44,457,841.61
  5. Step 5: Solve for x
    x = 44,457,841.61/7,713.40
  6. Step 6: Final answer
    x = 5,763.72

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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.