Home / 7,764.84-10,715.67-4,228.04

Finding the Fourth Proportional to 7,764.84, 10,715.67 and 4,228.04

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Solution

The fourth proportional to 7,764.84, 10,715.67 and 4,228.04 is: 5,834.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.84 : 10,715.67 = 4,228.04 : x
  2. Step 2: Convert to fraction form
    7,764.84/10,715.67 = 4,228.04/x
  3. Step 3: Cross multiply
    7,764.84x = 10,715.67 × 4,228.04
  4. Step 4: Simplify right side
    7,764.84x = 45,306,308.18
  5. Step 5: Solve for x
    x = 45,306,308.18/7,764.84
  6. Step 6: Final answer
    x = 5,834.80

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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.