Home / 7,421.29-10,240.99-4,063.46

Finding the Fourth Proportional to 7,421.29, 10,240.99 and 4,063.46

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Solution

The fourth proportional to 7,421.29, 10,240.99 and 4,063.46 is: 5,607.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.29 : 10,240.99 = 4,063.46 : x
  2. Step 2: Convert to fraction form
    7,421.29/10,240.99 = 4,063.46/x
  3. Step 3: Cross multiply
    7,421.29x = 10,240.99 × 4,063.46
  4. Step 4: Simplify right side
    7,421.29x = 41,613,853.23
  5. Step 5: Solve for x
    x = 41,613,853.23/7,421.29
  6. Step 6: Final answer
    x = 5,607.36

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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.