Home / 9,808.89-13,535.87-5,332.54

Finding the Fourth Proportional to 9,808.89, 13,535.87 and 5,332.54

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Solution

The fourth proportional to 9,808.89, 13,535.87 and 5,332.54 is: 7,358.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,808.89 : 13,535.87 = 5,332.54 : x
  2. Step 2: Convert to fraction form
    9,808.89/13,535.87 = 5,332.54/x
  3. Step 3: Cross multiply
    9,808.89x = 13,535.87 × 5,332.54
  4. Step 4: Simplify right side
    9,808.89x = 72,180,568.21
  5. Step 5: Solve for x
    x = 72,180,568.21/9,808.89
  6. Step 6: Final answer
    x = 7,358.69

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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.