Home / 7,099.68-10,652.76-3,639.36

Finding the Fourth Proportional to 7,099.68, 10,652.76 and 3,639.36

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Solution

The fourth proportional to 7,099.68, 10,652.76 and 3,639.36 is: 5,460.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099.68 : 10,652.76 = 3,639.36 : x
  2. Step 2: Convert to fraction form
    7,099.68/10,652.76 = 3,639.36/x
  3. Step 3: Cross multiply
    7,099.68x = 10,652.76 × 3,639.36
  4. Step 4: Simplify right side
    7,099.68x = 38,769,228.63
  5. Step 5: Solve for x
    x = 38,769,228.63/7,099.68
  6. Step 6: Final answer
    x = 5,460.70

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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.