Home / 5,428.68-7,491.06-4,312.32

Finding the Fourth Proportional to 5,428.68, 7,491.06 and 4,312.32

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Solution

The fourth proportional to 5,428.68, 7,491.06 and 4,312.32 is: 5,950.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428.68 : 7,491.06 = 4,312.32 : x
  2. Step 2: Convert to fraction form
    5,428.68/7,491.06 = 4,312.32/x
  3. Step 3: Cross multiply
    5,428.68x = 7,491.06 × 4,312.32
  4. Step 4: Simplify right side
    5,428.68x = 32,303,847.86
  5. Step 5: Solve for x
    x = 32,303,847.86/5,428.68
  6. Step 6: Final answer
    x = 5,950.59

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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.