Home / 9,855.02-14,782.42-2,835.20

Finding the Fourth Proportional to 9,855.02, 14,782.42 and 2,835.20

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Solution

The fourth proportional to 9,855.02, 14,782.42 and 2,835.20 is: 4,252.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,855.02 : 14,782.42 = 2,835.20 : x
  2. Step 2: Convert to fraction form
    9,855.02/14,782.42 = 2,835.20/x
  3. Step 3: Cross multiply
    9,855.02x = 14,782.42 × 2,835.20
  4. Step 4: Simplify right side
    9,855.02x = 41,911,117.18
  5. Step 5: Solve for x
    x = 41,911,117.18/9,855.02
  6. Step 6: Final answer
    x = 4,252.77

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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.