Home / 9,785.63-13,504.40-5,806.77

Finding the Fourth Proportional to 9,785.63, 13,504.40 and 5,806.77

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Solution

The fourth proportional to 9,785.63, 13,504.40 and 5,806.77 is: 8,013.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,785.63 : 13,504.40 = 5,806.77 : x
  2. Step 2: Convert to fraction form
    9,785.63/13,504.40 = 5,806.77/x
  3. Step 3: Cross multiply
    9,785.63x = 13,504.40 × 5,806.77
  4. Step 4: Simplify right side
    9,785.63x = 78,416,959.30
  5. Step 5: Solve for x
    x = 78,416,959.30/9,785.63
  6. Step 6: Final answer
    x = 8,013.48

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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.