Home / 7,219.02-10,827.57-1,954.44

Finding the Fourth Proportional to 7,219.02, 10,827.57 and 1,954.44

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Solution

The fourth proportional to 7,219.02, 10,827.57 and 1,954.44 is: 2,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.02 : 10,827.57 = 1,954.44 : x
  2. Step 2: Convert to fraction form
    7,219.02/10,827.57 = 1,954.44/x
  3. Step 3: Cross multiply
    7,219.02x = 10,827.57 × 1,954.44
  4. Step 4: Simplify right side
    7,219.02x = 21,161,835.91
  5. Step 5: Solve for x
    x = 21,161,835.91/7,219.02
  6. Step 6: Final answer
    x = 2,931.40

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1.5x scale

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.