Home / 9,212.85-12,713.93-5,436.93

Finding the Fourth Proportional to 9,212.85, 12,713.93 and 5,436.93

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Solution

The fourth proportional to 9,212.85, 12,713.93 and 5,436.93 is: 7,503.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.85 : 12,713.93 = 5,436.93 : x
  2. Step 2: Convert to fraction form
    9,212.85/12,713.93 = 5,436.93/x
  3. Step 3: Cross multiply
    9,212.85x = 12,713.93 × 5,436.93
  4. Step 4: Simplify right side
    9,212.85x = 69,124,720.25
  5. Step 5: Solve for x
    x = 69,124,720.25/9,212.85
  6. Step 6: Final answer
    x = 7,503.08

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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.