Home / 5,484.47-7,569-3,126.78

Finding the Fourth Proportional to 5,484.47, 7,569 and 3,126.78

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Solution

The fourth proportional to 5,484.47, 7,569 and 3,126.78 is: 4,315.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,484.47 : 7,569 = 3,126.78 : x
  2. Step 2: Convert to fraction form
    5,484.47/7,569 = 3,126.78/x
  3. Step 3: Cross multiply
    5,484.47x = 7,569 × 3,126.78
  4. Step 4: Simplify right side
    5,484.47x = 23,666,597.82
  5. Step 5: Solve for x
    x = 23,666,597.82/5,484.47
  6. Step 6: Final answer
    x = 4,315.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.