Home / 4,390.74-6,056.24-2,621.70

Finding the Fourth Proportional to 4,390.74, 6,056.24 and 2,621.70

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Solution

The fourth proportional to 4,390.74, 6,056.24 and 2,621.70 is: 3,616.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.74 : 6,056.24 = 2,621.70 : x
  2. Step 2: Convert to fraction form
    4,390.74/6,056.24 = 2,621.70/x
  3. Step 3: Cross multiply
    4,390.74x = 6,056.24 × 2,621.70
  4. Step 4: Simplify right side
    4,390.74x = 15,877,631.30
  5. Step 5: Solve for x
    x = 15,877,631.30/4,390.74
  6. Step 6: Final answer
    x = 3,616.16

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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.