Home / 4,999.56-6,899.28-3,011.76

Finding the Fourth Proportional to 4,999.56, 6,899.28 and 3,011.76

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Solution

The fourth proportional to 4,999.56, 6,899.28 and 3,011.76 is: 4,156.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.56 : 6,899.28 = 3,011.76 : x
  2. Step 2: Convert to fraction form
    4,999.56/6,899.28 = 3,011.76/x
  3. Step 3: Cross multiply
    4,999.56x = 6,899.28 × 3,011.76
  4. Step 4: Simplify right side
    4,999.56x = 20,778,975.53
  5. Step 5: Solve for x
    x = 20,778,975.53/4,999.56
  6. Step 6: Final answer
    x = 4,156.16

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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.