Home / 9,785.29-13,503.46-5,308.93

Finding the Fourth Proportional to 9,785.29, 13,503.46 and 5,308.93

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Solution

The fourth proportional to 9,785.29, 13,503.46 and 5,308.93 is: 7,326.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,785.29 : 13,503.46 = 5,308.93 : x
  2. Step 2: Convert to fraction form
    9,785.29/13,503.46 = 5,308.93/x
  3. Step 3: Cross multiply
    9,785.29x = 13,503.46 × 5,308.93
  4. Step 4: Simplify right side
    9,785.29x = 71,688,923.90
  5. Step 5: Solve for x
    x = 71,688,923.90/9,785.29
  6. Step 6: Final answer
    x = 7,326.19

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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.