Home / 7,572.67-10,450.79-4,215.45

Finding the Fourth Proportional to 7,572.67, 10,450.79 and 4,215.45

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Solution

The fourth proportional to 7,572.67, 10,450.79 and 4,215.45 is: 5,817.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,572.67 : 10,450.79 = 4,215.45 : x
  2. Step 2: Convert to fraction form
    7,572.67/10,450.79 = 4,215.45/x
  3. Step 3: Cross multiply
    7,572.67x = 10,450.79 × 4,215.45
  4. Step 4: Simplify right side
    7,572.67x = 44,054,782.71
  5. Step 5: Solve for x
    x = 44,054,782.71/7,572.67
  6. Step 6: Final answer
    x = 5,817.60

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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.