Home / 4,387.50-6,579.77-1,616.76

Finding the Fourth Proportional to 4,387.50, 6,579.77 and 1,616.76

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Solution

The fourth proportional to 4,387.50, 6,579.77 and 1,616.76 is: 2,424.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.50 : 6,579.77 = 1,616.76 : x
  2. Step 2: Convert to fraction form
    4,387.50/6,579.77 = 1,616.76/x
  3. Step 3: Cross multiply
    4,387.50x = 6,579.77 × 1,616.76
  4. Step 4: Simplify right side
    4,387.50x = 10,637,900.86
  5. Step 5: Solve for x
    x = 10,637,900.86/4,387.50
  6. Step 6: Final answer
    x = 2,424.59

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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.