Home / 5,447.07-8,165.74-2,521.35

Finding the Fourth Proportional to 5,447.07, 8,165.74 and 2,521.35

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Solution

The fourth proportional to 5,447.07, 8,165.74 and 2,521.35 is: 3,779.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.07 : 8,165.74 = 2,521.35 : x
  2. Step 2: Convert to fraction form
    5,447.07/8,165.74 = 2,521.35/x
  3. Step 3: Cross multiply
    5,447.07x = 8,165.74 × 2,521.35
  4. Step 4: Simplify right side
    5,447.07x = 20,588,688.55
  5. Step 5: Solve for x
    x = 20,588,688.55/5,447.07
  6. Step 6: Final answer
    x = 3,779.77

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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.