Home / 4,688.30-6,471.64-2,896.07

Finding the Fourth Proportional to 4,688.30, 6,471.64 and 2,896.07

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Solution

The fourth proportional to 4,688.30, 6,471.64 and 2,896.07 is: 3,997.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.30 : 6,471.64 = 2,896.07 : x
  2. Step 2: Convert to fraction form
    4,688.30/6,471.64 = 2,896.07/x
  3. Step 3: Cross multiply
    4,688.30x = 6,471.64 × 2,896.07
  4. Step 4: Simplify right side
    4,688.30x = 18,742,300.78
  5. Step 5: Solve for x
    x = 18,742,300.78/4,688.30
  6. Step 6: Final answer
    x = 3,997.68

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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.