Home / 9,285.88-12,814.40-5,036.86

Finding the Fourth Proportional to 9,285.88, 12,814.40 and 5,036.86

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Solution

The fourth proportional to 9,285.88, 12,814.40 and 5,036.86 is: 6,950.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285.88 : 12,814.40 = 5,036.86 : x
  2. Step 2: Convert to fraction form
    9,285.88/12,814.40 = 5,036.86/x
  3. Step 3: Cross multiply
    9,285.88x = 12,814.40 × 5,036.86
  4. Step 4: Simplify right side
    9,285.88x = 64,544,331.35
  5. Step 5: Solve for x
    x = 64,544,331.35/9,285.88
  6. Step 6: Final answer
    x = 6,950.81

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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.