Home / 8,319.80-11,483.26-4,785.06

Finding the Fourth Proportional to 8,319.80, 11,483.26 and 4,785.06

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Solution

The fourth proportional to 8,319.80, 11,483.26 and 4,785.06 is: 6,604.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.80 : 11,483.26 = 4,785.06 : x
  2. Step 2: Convert to fraction form
    8,319.80/11,483.26 = 4,785.06/x
  3. Step 3: Cross multiply
    8,319.80x = 11,483.26 × 4,785.06
  4. Step 4: Simplify right side
    8,319.80x = 54,948,088.10
  5. Step 5: Solve for x
    x = 54,948,088.10/8,319.80
  6. Step 6: Final answer
    x = 6,604.50

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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.