Home / 7,210.57-10,814.93-2,280.71

Finding the Fourth Proportional to 7,210.57, 10,814.93 and 2,280.71

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Solution

The fourth proportional to 7,210.57, 10,814.93 and 2,280.71 is: 3,420.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.57 : 10,814.93 = 2,280.71 : x
  2. Step 2: Convert to fraction form
    7,210.57/10,814.93 = 2,280.71/x
  3. Step 3: Cross multiply
    7,210.57x = 10,814.93 × 2,280.71
  4. Step 4: Simplify right side
    7,210.57x = 24,665,653.52
  5. Step 5: Solve for x
    x = 24,665,653.52/7,210.57
  6. Step 6: Final answer
    x = 3,420.76

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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.