Home / 6,074-8,382.18-3,421.28

Finding the Fourth Proportional to 6,074, 8,382.18 and 3,421.28

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Solution

The fourth proportional to 6,074, 8,382.18 and 3,421.28 is: 4,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,074 : 8,382.18 = 3,421.28 : x
  2. Step 2: Convert to fraction form
    6,074/8,382.18 = 3,421.28/x
  3. Step 3: Cross multiply
    6,074x = 8,382.18 × 3,421.28
  4. Step 4: Simplify right side
    6,074x = 28,677,784.79
  5. Step 5: Solve for x
    x = 28,677,784.79/6,074
  6. Step 6: Final answer
    x = 4,721.40

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Double scale
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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.