Home / 7,785.48-10,740.69-4,641.06

Finding the Fourth Proportional to 7,785.48, 10,740.69 and 4,641.06

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Solution

The fourth proportional to 7,785.48, 10,740.69 and 4,641.06 is: 6,402.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,785.48 : 10,740.69 = 4,641.06 : x
  2. Step 2: Convert to fraction form
    7,785.48/10,740.69 = 4,641.06/x
  3. Step 3: Cross multiply
    7,785.48x = 10,740.69 × 4,641.06
  4. Step 4: Simplify right side
    7,785.48x = 49,848,186.73
  5. Step 5: Solve for x
    x = 49,848,186.73/7,785.48
  6. Step 6: Final answer
    x = 6,402.71

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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.