Home / 5,274.03-7,278.31-2,916.26

Finding the Fourth Proportional to 5,274.03, 7,278.31 and 2,916.26

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Solution

The fourth proportional to 5,274.03, 7,278.31 and 2,916.26 is: 4,024.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.03 : 7,278.31 = 2,916.26 : x
  2. Step 2: Convert to fraction form
    5,274.03/7,278.31 = 2,916.26/x
  3. Step 3: Cross multiply
    5,274.03x = 7,278.31 × 2,916.26
  4. Step 4: Simplify right side
    5,274.03x = 21,225,393.35
  5. Step 5: Solve for x
    x = 21,225,393.35/5,274.03
  6. Step 6: Final answer
    x = 4,024.51

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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.