Home / 7,774.34-10,728.87-4,417.72

Finding the Fourth Proportional to 7,774.34, 10,728.87 and 4,417.72

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Solution

The fourth proportional to 7,774.34, 10,728.87 and 4,417.72 is: 6,096.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,774.34 : 10,728.87 = 4,417.72 : x
  2. Step 2: Convert to fraction form
    7,774.34/10,728.87 = 4,417.72/x
  3. Step 3: Cross multiply
    7,774.34x = 10,728.87 × 4,417.72
  4. Step 4: Simplify right side
    7,774.34x = 47,397,125.04
  5. Step 5: Solve for x
    x = 47,397,125.04/7,774.34
  6. Step 6: Final answer
    x = 6,096.61

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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.