Home / 9,129.11-12,597.40-5,095.57

Finding the Fourth Proportional to 9,129.11, 12,597.40 and 5,095.57

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Solution

The fourth proportional to 9,129.11, 12,597.40 and 5,095.57 is: 7,031.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129.11 : 12,597.40 = 5,095.57 : x
  2. Step 2: Convert to fraction form
    9,129.11/12,597.40 = 5,095.57/x
  3. Step 3: Cross multiply
    9,129.11x = 12,597.40 × 5,095.57
  4. Step 4: Simplify right side
    9,129.11x = 64,190,845.05
  5. Step 5: Solve for x
    x = 64,190,845.05/9,129.11
  6. Step 6: Final answer
    x = 7,031.45

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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.