Home / 8,478.07-11,701.16-5,751.41

Finding the Fourth Proportional to 8,478.07, 11,701.16 and 5,751.41

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Solution

The fourth proportional to 8,478.07, 11,701.16 and 5,751.41 is: 7,937.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,478.07 : 11,701.16 = 5,751.41 : x
  2. Step 2: Convert to fraction form
    8,478.07/11,701.16 = 5,751.41/x
  3. Step 3: Cross multiply
    8,478.07x = 11,701.16 × 5,751.41
  4. Step 4: Simplify right side
    8,478.07x = 67,298,102.94
  5. Step 5: Solve for x
    x = 67,298,102.94/8,478.07
  6. Step 6: Final answer
    x = 7,937.91

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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.