Home / 7,457.13-11,187.72-6,641.07

Finding the Fourth Proportional to 7,457.13, 11,187.72 and 6,641.07

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Solution

The fourth proportional to 7,457.13, 11,187.72 and 6,641.07 is: 9,963.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457.13 : 11,187.72 = 6,641.07 : x
  2. Step 2: Convert to fraction form
    7,457.13/11,187.72 = 6,641.07/x
  3. Step 3: Cross multiply
    7,457.13x = 11,187.72 × 6,641.07
  4. Step 4: Simplify right side
    7,457.13x = 74,298,431.66
  5. Step 5: Solve for x
    x = 74,298,431.66/7,457.13
  6. Step 6: Final answer
    x = 9,963.41

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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.