Home / 7,421.36-10,242.24-4,398.29

Finding the Fourth Proportional to 7,421.36, 10,242.24 and 4,398.29

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Solution

The fourth proportional to 7,421.36, 10,242.24 and 4,398.29 is: 6,070.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.36 : 10,242.24 = 4,398.29 : x
  2. Step 2: Convert to fraction form
    7,421.36/10,242.24 = 4,398.29/x
  3. Step 3: Cross multiply
    7,421.36x = 10,242.24 × 4,398.29
  4. Step 4: Simplify right side
    7,421.36x = 45,048,290.56
  5. Step 5: Solve for x
    x = 45,048,290.56/7,421.36
  6. Step 6: Final answer
    x = 6,070.09

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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.