Home / 7,661.40-10,572.48-4,304.58

Finding the Fourth Proportional to 7,661.40, 10,572.48 and 4,304.58

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Solution

The fourth proportional to 7,661.40, 10,572.48 and 4,304.58 is: 5,940.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661.40 : 10,572.48 = 4,304.58 : x
  2. Step 2: Convert to fraction form
    7,661.40/10,572.48 = 4,304.58/x
  3. Step 3: Cross multiply
    7,661.40x = 10,572.48 × 4,304.58
  4. Step 4: Simplify right side
    7,661.40x = 45,510,085.96
  5. Step 5: Solve for x
    x = 45,510,085.96/7,661.40
  6. Step 6: Final answer
    x = 5,940.18

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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.