Home / 7,523.07-10,377.32-5,538.75

Finding the Fourth Proportional to 7,523.07, 10,377.32 and 5,538.75

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Solution

The fourth proportional to 7,523.07, 10,377.32 and 5,538.75 is: 7,640.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,523.07 : 10,377.32 = 5,538.75 : x
  2. Step 2: Convert to fraction form
    7,523.07/10,377.32 = 5,538.75/x
  3. Step 3: Cross multiply
    7,523.07x = 10,377.32 × 5,538.75
  4. Step 4: Simplify right side
    7,523.07x = 57,477,353.46
  5. Step 5: Solve for x
    x = 57,477,353.46/7,523.07
  6. Step 6: Final answer
    x = 7,640.15

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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.