Home / 8,125.58-11,209.43-5,291.93

Finding the Fourth Proportional to 8,125.58, 11,209.43 and 5,291.93

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Solution

The fourth proportional to 8,125.58, 11,209.43 and 5,291.93 is: 7,300.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.58 : 11,209.43 = 5,291.93 : x
  2. Step 2: Convert to fraction form
    8,125.58/11,209.43 = 5,291.93/x
  3. Step 3: Cross multiply
    8,125.58x = 11,209.43 × 5,291.93
  4. Step 4: Simplify right side
    8,125.58x = 59,319,518.90
  5. Step 5: Solve for x
    x = 59,319,518.90/8,125.58
  6. Step 6: Final answer
    x = 7,300.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.