Home / 4,884.34-7,326.51-1,421.86

Finding the Fourth Proportional to 4,884.34, 7,326.51 and 1,421.86

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Solution

The fourth proportional to 4,884.34, 7,326.51 and 1,421.86 is: 2,132.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,884.34 : 7,326.51 = 1,421.86 : x
  2. Step 2: Convert to fraction form
    4,884.34/7,326.51 = 1,421.86/x
  3. Step 3: Cross multiply
    4,884.34x = 7,326.51 × 1,421.86
  4. Step 4: Simplify right side
    4,884.34x = 10,417,271.51
  5. Step 5: Solve for x
    x = 10,417,271.51/4,884.34
  6. Step 6: Final answer
    x = 2,132.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.