Home / 4,620.79-6,376.95-2,631.52

Finding the Fourth Proportional to 4,620.79, 6,376.95 and 2,631.52

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Solution

The fourth proportional to 4,620.79, 6,376.95 and 2,631.52 is: 3,631.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.79 : 6,376.95 = 2,631.52 : x
  2. Step 2: Convert to fraction form
    4,620.79/6,376.95 = 2,631.52/x
  3. Step 3: Cross multiply
    4,620.79x = 6,376.95 × 2,631.52
  4. Step 4: Simplify right side
    4,620.79x = 16,781,071.46
  5. Step 5: Solve for x
    x = 16,781,071.46/4,620.79
  6. Step 6: Final answer
    x = 3,631.65

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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.