Home / 5,421.07-8,132.96-2,501.43

Finding the Fourth Proportional to 5,421.07, 8,132.96 and 2,501.43

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Solution

The fourth proportional to 5,421.07, 8,132.96 and 2,501.43 is: 3,752.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.07 : 8,132.96 = 2,501.43 : x
  2. Step 2: Convert to fraction form
    5,421.07/8,132.96 = 2,501.43/x
  3. Step 3: Cross multiply
    5,421.07x = 8,132.96 × 2,501.43
  4. Step 4: Simplify right side
    5,421.07x = 20,344,030.13
  5. Step 5: Solve for x
    x = 20,344,030.13/5,421.07
  6. Step 6: Final answer
    x = 3,752.77

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1.5x scale

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.