Home / 5,099.76-7,037.28-2,861.46

Finding the Fourth Proportional to 5,099.76, 7,037.28 and 2,861.46

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Solution

The fourth proportional to 5,099.76, 7,037.28 and 2,861.46 is: 3,948.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.76 : 7,037.28 = 2,861.46 : x
  2. Step 2: Convert to fraction form
    5,099.76/7,037.28 = 2,861.46/x
  3. Step 3: Cross multiply
    5,099.76x = 7,037.28 × 2,861.46
  4. Step 4: Simplify right side
    5,099.76x = 20,136,895.23
  5. Step 5: Solve for x
    x = 20,136,895.23/5,099.76
  6. Step 6: Final answer
    x = 3,948.60

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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.