Home / 5,283.10-7,290.72-2,925.28

Finding the Fourth Proportional to 5,283.10, 7,290.72 and 2,925.28

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Solution

The fourth proportional to 5,283.10, 7,290.72 and 2,925.28 is: 4,036.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,283.10 : 7,290.72 = 2,925.28 : x
  2. Step 2: Convert to fraction form
    5,283.10/7,290.72 = 2,925.28/x
  3. Step 3: Cross multiply
    5,283.10x = 7,290.72 × 2,925.28
  4. Step 4: Simplify right side
    5,283.10x = 21,327,397.40
  5. Step 5: Solve for x
    x = 21,327,397.40/5,283.10
  6. Step 6: Final answer
    x = 4,036.91

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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.