Home / 8,187.36-11,298.74-4,830.99

Finding the Fourth Proportional to 8,187.36, 11,298.74 and 4,830.99

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Solution

The fourth proportional to 8,187.36, 11,298.74 and 4,830.99 is: 6,666.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187.36 : 11,298.74 = 4,830.99 : x
  2. Step 2: Convert to fraction form
    8,187.36/11,298.74 = 4,830.99/x
  3. Step 3: Cross multiply
    8,187.36x = 11,298.74 × 4,830.99
  4. Step 4: Simplify right side
    8,187.36x = 54,584,099.95
  5. Step 5: Solve for x
    x = 54,584,099.95/8,187.36
  6. Step 6: Final answer
    x = 6,666.87

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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.