Home / 8,910.81-13,368.06-2,670.57

Finding the Fourth Proportional to 8,910.81, 13,368.06 and 2,670.57

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Solution

The fourth proportional to 8,910.81, 13,368.06 and 2,670.57 is: 4,006.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910.81 : 13,368.06 = 2,670.57 : x
  2. Step 2: Convert to fraction form
    8,910.81/13,368.06 = 2,670.57/x
  3. Step 3: Cross multiply
    8,910.81x = 13,368.06 × 2,670.57
  4. Step 4: Simplify right side
    8,910.81x = 35,700,339.99
  5. Step 5: Solve for x
    x = 35,700,339.99/8,910.81
  6. Step 6: Final answer
    x = 4,006.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.