Home / 7,421.07-10,242.05-4,233.63

Finding the Fourth Proportional to 7,421.07, 10,242.05 and 4,233.63

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Solution

The fourth proportional to 7,421.07, 10,242.05 and 4,233.63 is: 5,842.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.07 : 10,242.05 = 4,233.63 : x
  2. Step 2: Convert to fraction form
    7,421.07/10,242.05 = 4,233.63/x
  3. Step 3: Cross multiply
    7,421.07x = 10,242.05 × 4,233.63
  4. Step 4: Simplify right side
    7,421.07x = 43,361,024.17
  5. Step 5: Solve for x
    x = 43,361,024.17/7,421.07
  6. Step 6: Final answer
    x = 5,842.96

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Half scale
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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.