Home / 4,390.20-6,587.12-1,923.74

Finding the Fourth Proportional to 4,390.20, 6,587.12 and 1,923.74

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Solution

The fourth proportional to 4,390.20, 6,587.12 and 1,923.74 is: 2,886.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.20 : 6,587.12 = 1,923.74 : x
  2. Step 2: Convert to fraction form
    4,390.20/6,587.12 = 1,923.74/x
  3. Step 3: Cross multiply
    4,390.20x = 6,587.12 × 1,923.74
  4. Step 4: Simplify right side
    4,390.20x = 12,671,906.23
  5. Step 5: Solve for x
    x = 12,671,906.23/4,390.20
  6. Step 6: Final answer
    x = 2,886.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.