Home / 7,740.12-11,610.80-4,641.27

Finding the Fourth Proportional to 7,740.12, 11,610.80 and 4,641.27

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Solution

The fourth proportional to 7,740.12, 11,610.80 and 4,641.27 is: 6,962.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740.12 : 11,610.80 = 4,641.27 : x
  2. Step 2: Convert to fraction form
    7,740.12/11,610.80 = 4,641.27/x
  3. Step 3: Cross multiply
    7,740.12x = 11,610.80 × 4,641.27
  4. Step 4: Simplify right side
    7,740.12x = 53,888,834.51
  5. Step 5: Solve for x
    x = 53,888,834.51/7,740.12
  6. Step 6: Final answer
    x = 6,962.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.