Home / 7,717.55-10,650-4,530.80

Finding the Fourth Proportional to 7,717.55, 10,650 and 4,530.80

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Solution

The fourth proportional to 7,717.55, 10,650 and 4,530.80 is: 6,252.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.55 : 10,650 = 4,530.80 : x
  2. Step 2: Convert to fraction form
    7,717.55/10,650 = 4,530.80/x
  3. Step 3: Cross multiply
    7,717.55x = 10,650 × 4,530.80
  4. Step 4: Simplify right side
    7,717.55x = 48,252,966.75
  5. Step 5: Solve for x
    x = 48,252,966.75/7,717.55
  6. Step 6: Final answer
    x = 6,252.37

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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.