Home / 7,624.50-11,424.94-5,289.05

Finding the Fourth Proportional to 7,624.50, 11,424.94 and 5,289.05

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Solution

The fourth proportional to 7,624.50, 11,424.94 and 5,289.05 is: 7,925.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,624.50 : 11,424.94 = 5,289.05 : x
  2. Step 2: Convert to fraction form
    7,624.50/11,424.94 = 5,289.05/x
  3. Step 3: Cross multiply
    7,624.50x = 11,424.94 × 5,289.05
  4. Step 4: Simplify right side
    7,624.50x = 60,426,995.34
  5. Step 5: Solve for x
    x = 60,426,995.34/7,624.50
  6. Step 6: Final answer
    x = 7,925.37

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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.