Home / 6,174.77-8,521.19-3,342.15

Finding the Fourth Proportional to 6,174.77, 8,521.19 and 3,342.15

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Solution

The fourth proportional to 6,174.77, 8,521.19 and 3,342.15 is: 4,612.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,174.77 : 8,521.19 = 3,342.15 : x
  2. Step 2: Convert to fraction form
    6,174.77/8,521.19 = 3,342.15/x
  3. Step 3: Cross multiply
    6,174.77x = 8,521.19 × 3,342.15
  4. Step 4: Simplify right side
    6,174.77x = 28,479,095.16
  5. Step 5: Solve for x
    x = 28,479,095.16/6,174.77
  6. Step 6: Final answer
    x = 4,612.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.