Home / 5,115.69-7,673.63-1,652.94

Finding the Fourth Proportional to 5,115.69, 7,673.63 and 1,652.94

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Solution

The fourth proportional to 5,115.69, 7,673.63 and 1,652.94 is: 2,479.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115.69 : 7,673.63 = 1,652.94 : x
  2. Step 2: Convert to fraction form
    5,115.69/7,673.63 = 1,652.94/x
  3. Step 3: Cross multiply
    5,115.69x = 7,673.63 × 1,652.94
  4. Step 4: Simplify right side
    5,115.69x = 12,684,041.71
  5. Step 5: Solve for x
    x = 12,684,041.71/5,115.69
  6. Step 6: Final answer
    x = 2,479.44

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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.