Home / 5,430.99-8,133.70-2,648.94

Finding the Fourth Proportional to 5,430.99, 8,133.70 and 2,648.94

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Solution

The fourth proportional to 5,430.99, 8,133.70 and 2,648.94 is: 3,967.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.99 : 8,133.70 = 2,648.94 : x
  2. Step 2: Convert to fraction form
    5,430.99/8,133.70 = 2,648.94/x
  3. Step 3: Cross multiply
    5,430.99x = 8,133.70 × 2,648.94
  4. Step 4: Simplify right side
    5,430.99x = 21,545,683.28
  5. Step 5: Solve for x
    x = 21,545,683.28/5,430.99
  6. Step 6: Final answer
    x = 3,967.17

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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.