Home / 9,435.79-13,021.25-5,457.27

Finding the Fourth Proportional to 9,435.79, 13,021.25 and 5,457.27

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Solution

The fourth proportional to 9,435.79, 13,021.25 and 5,457.27 is: 7,530.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,435.79 : 13,021.25 = 5,457.27 : x
  2. Step 2: Convert to fraction form
    9,435.79/13,021.25 = 5,457.27/x
  3. Step 3: Cross multiply
    9,435.79x = 13,021.25 × 5,457.27
  4. Step 4: Simplify right side
    9,435.79x = 71,060,476.99
  5. Step 5: Solve for x
    x = 71,060,476.99/9,435.79
  6. Step 6: Final answer
    x = 7,530.95

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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.