Home / 7,215.92-9,954.60-4,567.24

Finding the Fourth Proportional to 7,215.92, 9,954.60 and 4,567.24

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Solution

The fourth proportional to 7,215.92, 9,954.60 and 4,567.24 is: 6,300.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215.92 : 9,954.60 = 4,567.24 : x
  2. Step 2: Convert to fraction form
    7,215.92/9,954.60 = 4,567.24/x
  3. Step 3: Cross multiply
    7,215.92x = 9,954.60 × 4,567.24
  4. Step 4: Simplify right side
    7,215.92x = 45,465,047.30
  5. Step 5: Solve for x
    x = 45,465,047.30/7,215.92
  6. Step 6: Final answer
    x = 6,300.66

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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.