Home / 4,551.34-6,279.78-2,561.72

Finding the Fourth Proportional to 4,551.34, 6,279.78 and 2,561.72

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Solution

The fourth proportional to 4,551.34, 6,279.78 and 2,561.72 is: 3,534.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,551.34 : 6,279.78 = 2,561.72 : x
  2. Step 2: Convert to fraction form
    4,551.34/6,279.78 = 2,561.72/x
  3. Step 3: Cross multiply
    4,551.34x = 6,279.78 × 2,561.72
  4. Step 4: Simplify right side
    4,551.34x = 16,087,038.02
  5. Step 5: Solve for x
    x = 16,087,038.02/4,551.34
  6. Step 6: Final answer
    x = 3,534.57

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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.