Home / 4,669.65-6,443.45-2,900.61

Finding the Fourth Proportional to 4,669.65, 6,443.45 and 2,900.61

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Solution

The fourth proportional to 4,669.65, 6,443.45 and 2,900.61 is: 4,002.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,669.65 : 6,443.45 = 2,900.61 : x
  2. Step 2: Convert to fraction form
    4,669.65/6,443.45 = 2,900.61/x
  3. Step 3: Cross multiply
    4,669.65x = 6,443.45 × 2,900.61
  4. Step 4: Simplify right side
    4,669.65x = 18,689,931.88
  5. Step 5: Solve for x
    x = 18,689,931.88/4,669.65
  6. Step 6: Final answer
    x = 4,002.43

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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.