Home / 5,109.48-7,664.24-1,777.50

Finding the Fourth Proportional to 5,109.48, 7,664.24 and 1,777.50

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Solution

The fourth proportional to 5,109.48, 7,664.24 and 1,777.50 is: 2,666.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109.48 : 7,664.24 = 1,777.50 : x
  2. Step 2: Convert to fraction form
    5,109.48/7,664.24 = 1,777.50/x
  3. Step 3: Cross multiply
    5,109.48x = 7,664.24 × 1,777.50
  4. Step 4: Simplify right side
    5,109.48x = 13,623,177.71
  5. Step 5: Solve for x
    x = 13,623,177.71/5,109.48
  6. Step 6: Final answer
    x = 2,666.26

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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.