Home / 7,431.24-10,251.18-4,638.36

Finding the Fourth Proportional to 7,431.24, 10,251.18 and 4,638.36

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Solution

The fourth proportional to 7,431.24, 10,251.18 and 4,638.36 is: 6,398.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.24 : 10,251.18 = 4,638.36 : x
  2. Step 2: Convert to fraction form
    7,431.24/10,251.18 = 4,638.36/x
  3. Step 3: Cross multiply
    7,431.24x = 10,251.18 × 4,638.36
  4. Step 4: Simplify right side
    7,431.24x = 47,548,663.26
  5. Step 5: Solve for x
    x = 47,548,663.26/7,431.24
  6. Step 6: Final answer
    x = 6,398.48

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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.