Home / 7,526.92-11,289.47-1,980.69

Finding the Fourth Proportional to 7,526.92, 11,289.47 and 1,980.69

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Solution

The fourth proportional to 7,526.92, 11,289.47 and 1,980.69 is: 2,970.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,526.92 : 11,289.47 = 1,980.69 : x
  2. Step 2: Convert to fraction form
    7,526.92/11,289.47 = 1,980.69/x
  3. Step 3: Cross multiply
    7,526.92x = 11,289.47 × 1,980.69
  4. Step 4: Simplify right side
    7,526.92x = 22,360,940.33
  5. Step 5: Solve for x
    x = 22,360,940.33/7,526.92
  6. Step 6: Final answer
    x = 2,970.80

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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.