Home / 5,162.16-7,741.38-1,874.40

Finding the Fourth Proportional to 5,162.16, 7,741.38 and 1,874.40

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Solution

The fourth proportional to 5,162.16, 7,741.38 and 1,874.40 is: 2,810.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162.16 : 7,741.38 = 1,874.40 : x
  2. Step 2: Convert to fraction form
    5,162.16/7,741.38 = 1,874.40/x
  3. Step 3: Cross multiply
    5,162.16x = 7,741.38 × 1,874.40
  4. Step 4: Simplify right side
    5,162.16x = 14,510,442.67
  5. Step 5: Solve for x
    x = 14,510,442.67/5,162.16
  6. Step 6: Final answer
    x = 2,810.92

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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.