Home / 8,782.74-13,174.05-4,400.13

Finding the Fourth Proportional to 8,782.74, 13,174.05 and 4,400.13

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Solution

The fourth proportional to 8,782.74, 13,174.05 and 4,400.13 is: 6,600.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782.74 : 13,174.05 = 4,400.13 : x
  2. Step 2: Convert to fraction form
    8,782.74/13,174.05 = 4,400.13/x
  3. Step 3: Cross multiply
    8,782.74x = 13,174.05 × 4,400.13
  4. Step 4: Simplify right side
    8,782.74x = 57,967,532.63
  5. Step 5: Solve for x
    x = 57,967,532.63/8,782.74
  6. Step 6: Final answer
    x = 6,600.16

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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.