Home / 4,992.60-6,890.67-4,152.18

Finding the Fourth Proportional to 4,992.60, 6,890.67 and 4,152.18

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Solution

The fourth proportional to 4,992.60, 6,890.67 and 4,152.18 is: 5,730.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.60 : 6,890.67 = 4,152.18 : x
  2. Step 2: Convert to fraction form
    4,992.60/6,890.67 = 4,152.18/x
  3. Step 3: Cross multiply
    4,992.60x = 6,890.67 × 4,152.18
  4. Step 4: Simplify right side
    4,992.60x = 28,611,302.16
  5. Step 5: Solve for x
    x = 28,611,302.16/4,992.60
  6. Step 6: Final answer
    x = 5,730.74

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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.