Home / 4,985.08-7,477.92-1,864.35

Finding the Fourth Proportional to 4,985.08, 7,477.92 and 1,864.35

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Solution

The fourth proportional to 4,985.08, 7,477.92 and 1,864.35 is: 2,796.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.08 : 7,477.92 = 1,864.35 : x
  2. Step 2: Convert to fraction form
    4,985.08/7,477.92 = 1,864.35/x
  3. Step 3: Cross multiply
    4,985.08x = 7,477.92 × 1,864.35
  4. Step 4: Simplify right side
    4,985.08x = 13,941,460.15
  5. Step 5: Solve for x
    x = 13,941,460.15/4,985.08
  6. Step 6: Final answer
    x = 2,796.64

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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.