Home / 5,279.51-7,925.40-3,089.81

Finding the Fourth Proportional to 5,279.51, 7,925.40 and 3,089.81

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Solution

The fourth proportional to 5,279.51, 7,925.40 and 3,089.81 is: 4,638.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.51 : 7,925.40 = 3,089.81 : x
  2. Step 2: Convert to fraction form
    5,279.51/7,925.40 = 3,089.81/x
  3. Step 3: Cross multiply
    5,279.51x = 7,925.40 × 3,089.81
  4. Step 4: Simplify right side
    5,279.51x = 24,487,980.17
  5. Step 5: Solve for x
    x = 24,487,980.17/5,279.51
  6. Step 6: Final answer
    x = 4,638.31

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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.