Home / 7,290.63-10,060.88-4,146.75

Finding the Fourth Proportional to 7,290.63, 10,060.88 and 4,146.75

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Solution

The fourth proportional to 7,290.63, 10,060.88 and 4,146.75 is: 5,722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.63 : 10,060.88 = 4,146.75 : x
  2. Step 2: Convert to fraction form
    7,290.63/10,060.88 = 4,146.75/x
  3. Step 3: Cross multiply
    7,290.63x = 10,060.88 × 4,146.75
  4. Step 4: Simplify right side
    7,290.63x = 41,719,933.41
  5. Step 5: Solve for x
    x = 41,719,933.41/7,290.63
  6. Step 6: Final answer
    x = 5,722.40

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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.