Home / 4,389.40-6,582.75-1,923.63

Finding the Fourth Proportional to 4,389.40, 6,582.75 and 1,923.63

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Solution

The fourth proportional to 4,389.40, 6,582.75 and 1,923.63 is: 2,884.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,389.40 : 6,582.75 = 1,923.63 : x
  2. Step 2: Convert to fraction form
    4,389.40/6,582.75 = 1,923.63/x
  3. Step 3: Cross multiply
    4,389.40x = 6,582.75 × 1,923.63
  4. Step 4: Simplify right side
    4,389.40x = 12,662,775.38
  5. Step 5: Solve for x
    x = 12,662,775.38/4,389.40
  6. Step 6: Final answer
    x = 2,884.85

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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.