Home / 5,130.28-7,685.37-4,572.41

Finding the Fourth Proportional to 5,130.28, 7,685.37 and 4,572.41

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Solution

The fourth proportional to 5,130.28, 7,685.37 and 4,572.41 is: 6,849.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130.28 : 7,685.37 = 4,572.41 : x
  2. Step 2: Convert to fraction form
    5,130.28/7,685.37 = 4,572.41/x
  3. Step 3: Cross multiply
    5,130.28x = 7,685.37 × 4,572.41
  4. Step 4: Simplify right side
    5,130.28x = 35,140,624.21
  5. Step 5: Solve for x
    x = 35,140,624.21/5,130.28
  6. Step 6: Final answer
    x = 6,849.65

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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.