Home / 6,945.09-10,407.51-5,272.08

Finding the Fourth Proportional to 6,945.09, 10,407.51 and 5,272.08

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Solution

The fourth proportional to 6,945.09, 10,407.51 and 5,272.08 is: 7,900.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,945.09 : 10,407.51 = 5,272.08 : x
  2. Step 2: Convert to fraction form
    6,945.09/10,407.51 = 5,272.08/x
  3. Step 3: Cross multiply
    6,945.09x = 10,407.51 × 5,272.08
  4. Step 4: Simplify right side
    6,945.09x = 54,869,225.32
  5. Step 5: Solve for x
    x = 54,869,225.32/6,945.09
  6. Step 6: Final answer
    x = 7,900.43

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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.