Home / 4,899.90-7,342.65-1,973.10

Finding the Fourth Proportional to 4,899.90, 7,342.65 and 1,973.10

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Solution

The fourth proportional to 4,899.90, 7,342.65 and 1,973.10 is: 2,956.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.90 : 7,342.65 = 1,973.10 : x
  2. Step 2: Convert to fraction form
    4,899.90/7,342.65 = 1,973.10/x
  3. Step 3: Cross multiply
    4,899.90x = 7,342.65 × 1,973.10
  4. Step 4: Simplify right side
    4,899.90x = 14,487,782.72
  5. Step 5: Solve for x
    x = 14,487,782.72/4,899.90
  6. Step 6: Final answer
    x = 2,956.75

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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.