Home / 5,379.72-8,071.65-2,095.13

Finding the Fourth Proportional to 5,379.72, 8,071.65 and 2,095.13

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Solution

The fourth proportional to 5,379.72, 8,071.65 and 2,095.13 is: 3,143.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.72 : 8,071.65 = 2,095.13 : x
  2. Step 2: Convert to fraction form
    5,379.72/8,071.65 = 2,095.13/x
  3. Step 3: Cross multiply
    5,379.72x = 8,071.65 × 2,095.13
  4. Step 4: Simplify right side
    5,379.72x = 16,911,115.71
  5. Step 5: Solve for x
    x = 16,911,115.71/5,379.72
  6. Step 6: Final answer
    x = 3,143.49

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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.