Home / 6,129.15-8,465.97-5,330.89

Finding the Fourth Proportional to 6,129.15, 8,465.97 and 5,330.89

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Solution

The fourth proportional to 6,129.15, 8,465.97 and 5,330.89 is: 7,363.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.15 : 8,465.97 = 5,330.89 : x
  2. Step 2: Convert to fraction form
    6,129.15/8,465.97 = 5,330.89/x
  3. Step 3: Cross multiply
    6,129.15x = 8,465.97 × 5,330.89
  4. Step 4: Simplify right side
    6,129.15x = 45,131,154.81
  5. Step 5: Solve for x
    x = 45,131,154.81/6,129.15
  6. Step 6: Final answer
    x = 7,363.36

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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.