Home / 7,581.52-10,458.50-5,219.56

Finding the Fourth Proportional to 7,581.52, 10,458.50 and 5,219.56

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Solution

The fourth proportional to 7,581.52, 10,458.50 and 5,219.56 is: 7,200.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.52 : 10,458.50 = 5,219.56 : x
  2. Step 2: Convert to fraction form
    7,581.52/10,458.50 = 5,219.56/x
  3. Step 3: Cross multiply
    7,581.52x = 10,458.50 × 5,219.56
  4. Step 4: Simplify right side
    7,581.52x = 54,588,768.26
  5. Step 5: Solve for x
    x = 54,588,768.26/7,581.52
  6. Step 6: Final answer
    x = 7,200.24

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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.