Home / 4,999.60-6,895.90-3,320.16

Finding the Fourth Proportional to 4,999.60, 6,895.90 and 3,320.16

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Solution

The fourth proportional to 4,999.60, 6,895.90 and 3,320.16 is: 4,579.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.60 : 6,895.90 = 3,320.16 : x
  2. Step 2: Convert to fraction form
    4,999.60/6,895.90 = 3,320.16/x
  3. Step 3: Cross multiply
    4,999.60x = 6,895.90 × 3,320.16
  4. Step 4: Simplify right side
    4,999.60x = 22,895,491.34
  5. Step 5: Solve for x
    x = 22,895,491.34/4,999.60
  6. Step 6: Final answer
    x = 4,579.46

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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.