Home / 7,984.40-11,019.50-4,582.74

Finding the Fourth Proportional to 7,984.40, 11,019.50 and 4,582.74

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Solution

The fourth proportional to 7,984.40, 11,019.50 and 4,582.74 is: 6,324.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.40 : 11,019.50 = 4,582.74 : x
  2. Step 2: Convert to fraction form
    7,984.40/11,019.50 = 4,582.74/x
  3. Step 3: Cross multiply
    7,984.40x = 11,019.50 × 4,582.74
  4. Step 4: Simplify right side
    7,984.40x = 50,499,503.43
  5. Step 5: Solve for x
    x = 50,499,503.43/7,984.40
  6. Step 6: Final answer
    x = 6,324.77

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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.