Home / 7,456.46-10,288.92-4,622.80

Finding the Fourth Proportional to 7,456.46, 10,288.92 and 4,622.80

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Solution

The fourth proportional to 7,456.46, 10,288.92 and 4,622.80 is: 6,378.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.46 : 10,288.92 = 4,622.80 : x
  2. Step 2: Convert to fraction form
    7,456.46/10,288.92 = 4,622.80/x
  3. Step 3: Cross multiply
    7,456.46x = 10,288.92 × 4,622.80
  4. Step 4: Simplify right side
    7,456.46x = 47,563,663.74
  5. Step 5: Solve for x
    x = 47,563,663.74/7,456.46
  6. Step 6: Final answer
    x = 6,378.85

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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.