Home / 5,077.69-7,617.85-1,614.94

Finding the Fourth Proportional to 5,077.69, 7,617.85 and 1,614.94

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Solution

The fourth proportional to 5,077.69, 7,617.85 and 1,614.94 is: 2,422.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.69 : 7,617.85 = 1,614.94 : x
  2. Step 2: Convert to fraction form
    5,077.69/7,617.85 = 1,614.94/x
  3. Step 3: Cross multiply
    5,077.69x = 7,617.85 × 1,614.94
  4. Step 4: Simplify right side
    5,077.69x = 12,302,347.60
  5. Step 5: Solve for x
    x = 12,302,347.60/5,077.69
  6. Step 6: Final answer
    x = 2,422.82

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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.