Home / 4,630.76-6,390.18-2,641.32

Finding the Fourth Proportional to 4,630.76, 6,390.18 and 2,641.32

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Solution

The fourth proportional to 4,630.76, 6,390.18 and 2,641.32 is: 3,644.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,630.76 : 6,390.18 = 2,641.32 : x
  2. Step 2: Convert to fraction form
    4,630.76/6,390.18 = 2,641.32/x
  3. Step 3: Cross multiply
    4,630.76x = 6,390.18 × 2,641.32
  4. Step 4: Simplify right side
    4,630.76x = 16,878,510.24
  5. Step 5: Solve for x
    x = 16,878,510.24/4,630.76
  6. Step 6: Final answer
    x = 3,644.87

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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.