Home / 5,126.79-7,683.48-4,998

Finding the Fourth Proportional to 5,126.79, 7,683.48 and 4,998

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Solution

The fourth proportional to 5,126.79, 7,683.48 and 4,998 is: 7,490.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.79 : 7,683.48 = 4,998 : x
  2. Step 2: Convert to fraction form
    5,126.79/7,683.48 = 4,998/x
  3. Step 3: Cross multiply
    5,126.79x = 7,683.48 × 4,998
  4. Step 4: Simplify right side
    5,126.79x = 38,402,033.04
  5. Step 5: Solve for x
    x = 38,402,033.04/5,126.79
  6. Step 6: Final answer
    x = 7,490.46

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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.