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Finding the Fourth Proportional to 4,631.07, 6,390.86 and 2,506.61

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Solution

The fourth proportional to 4,631.07, 6,390.86 and 2,506.61 is: 3,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,631.07 : 6,390.86 = 2,506.61 : x
  2. Step 2: Convert to fraction form
    4,631.07/6,390.86 = 2,506.61/x
  3. Step 3: Cross multiply
    4,631.07x = 6,390.86 × 2,506.61
  4. Step 4: Simplify right side
    4,631.07x = 16,019,349.10
  5. Step 5: Solve for x
    x = 16,019,349.10/4,631.07
  6. Step 6: Final answer
    x = 3,459.10

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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.