Home / 4,322.76-6,490.23-2,215.92

Finding the Fourth Proportional to 4,322.76, 6,490.23 and 2,215.92

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Solution

The fourth proportional to 4,322.76, 6,490.23 and 2,215.92 is: 3,327.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,322.76 : 6,490.23 = 2,215.92 : x
  2. Step 2: Convert to fraction form
    4,322.76/6,490.23 = 2,215.92/x
  3. Step 3: Cross multiply
    4,322.76x = 6,490.23 × 2,215.92
  4. Step 4: Simplify right side
    4,322.76x = 14,381,830.46
  5. Step 5: Solve for x
    x = 14,381,830.46/4,322.76
  6. Step 6: Final answer
    x = 3,327.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.