Home / 9,020.64-12,456.40-5,669.26

Finding the Fourth Proportional to 9,020.64, 12,456.40 and 5,669.26

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Solution

The fourth proportional to 9,020.64, 12,456.40 and 5,669.26 is: 7,828.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020.64 : 12,456.40 = 5,669.26 : x
  2. Step 2: Convert to fraction form
    9,020.64/12,456.40 = 5,669.26/x
  3. Step 3: Cross multiply
    9,020.64x = 12,456.40 × 5,669.26
  4. Step 4: Simplify right side
    9,020.64x = 70,618,570.26
  5. Step 5: Solve for x
    x = 70,618,570.26/9,020.64
  6. Step 6: Final answer
    x = 7,828.55

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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.